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SKYSUMMIT
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Daily General Weather Discussion Thread #26 Sept 6, 2018 16:24:29 GMT -6

Post by SKYSUMMIT on Sept 6, 2018 16:24:29 GMT -6

Special Weather Statement
National Weather Service Lake Charles LA
523 PM CDT THU SEP 6 2018

LAZ030-031-062300-
Allen LA-Beauregard LA-
523 PM CDT THU SEP 6 2018

...SPECIAL WEATHER STATEMENT...

At 523 PM CDT, Doppler radar was tracking a strong thunderstorm near
Dry Creek, moving southwest at 10 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Reeves, Dry Creek, Mittie and Harmony.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

CWOP ID: DW2721, CoCoRaHs Station: LA-TG-11
NWS's Ponchatoula/Hammond Area's COOP Member, Station ID 16-7425-08, PONL1

SKYSUMMIT
President | Director of Operations Administrator

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Daily General Weather Discussion Thread #26 Sept 6, 2018 16:26:15 GMT -6

Post by SKYSUMMIT on Sept 6, 2018 16:26:15 GMT -6

Special Weather Statement
National Weather Service Lake Charles LA
525 PM CDT THU SEP 6 2018

LAZ030-062300-
Beauregard LA-
525 PM CDT THU SEP 6 2018

...SPECIAL WEATHER STATEMENT...

At 525 PM CDT, Doppler radar was tracking a strong thunderstorm near
Singer. This storm was nearly stationary.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Singer, Tulla and Longville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

CWOP ID: DW2721, CoCoRaHs Station: LA-TG-11
NWS's Ponchatoula/Hammond Area's COOP Member, Station ID 16-7425-08, PONL1

SKYSUMMIT President \| Director of Operations Administrator Posts - 59,042 Likes - 8,925 Social: - Facebook, Twitter	Daily General Weather Discussion Thread #26 Sept 6, 2018 19:33:46 GMT -6 Select Post Deselect Post Link to Post Back to Top Post by SKYSUMMIT on Sept 6, 2018 19:33:46 GMT -6 Looks like we may have a wet and storm week coming up after the weekend.
	CWOP ID: DW2721, CoCoRaHs Station: LA-TG-11 NWS's Ponchatoula/Hammond Area's COOP Member, Station ID 16-7425-08, PONL1

SKYSUMMIT
President | Director of Operations Administrator

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Daily General Weather Discussion Thread #26 Sept 7, 2018 15:47:25 GMT -6

Post by SKYSUMMIT on Sept 7, 2018 15:47:25 GMT -6

Flood Advisory
National Weather Service New Orleans LA
446 PM CDT FRI SEP 7 2018

LAC037-125-MSC157-072245-
/O.NEW.KLIX.FA.Y.0070.180907T2146Z-180907T2245Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
West Feliciana LA-East Feliciana LA-Wilkinson MS-
446 PM CDT FRI SEP 7 2018

The National Weather Service in New Orleans has issued a

* Urban and Small Stream Flood Advisory for...
Northeastern West Feliciana Parish in southeastern Louisiana...
North central East Feliciana Parish in southeastern Louisiana...
Southeastern Wilkinson County in southern Mississippi...

* Until 545 PM CDT.

* At 445 PM CDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream flooding in
the advisory area.

* Some locations that will experience flooding include...
Centreville, Wilson, Norwood and Spillman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.

CWOP ID: DW2721, CoCoRaHs Station: LA-TG-11
NWS's Ponchatoula/Hammond Area's COOP Member, Station ID 16-7425-08, PONL1

SKYSUMMIT
President | Director of Operations Administrator

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Daily General Weather Discussion Thread #26 Sept 9, 2018 18:11:49 GMT -6

Post by SKYSUMMIT on Sept 9, 2018 18:11:49 GMT -6

Flood Advisory
National Weather Service Mobile AL
710 PM CDT SUN SEP 9 2018

MSC153-100315-
/O.NEW.KMOB.FA.Y.0093.180910T0010Z-180910T0315Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wayne MS-
710 PM CDT SUN SEP 9 2018

The National Weather Service in Mobile has issued a

* Urban and Small Stream Flood Advisory for...
Wayne County in southeastern Mississippi...

* Until 1015 PM CDT.

* At 709 PM CDT, Doppler radar indicated slow moving showers and
thunderstorms producing very heavy rain across much of central and
eastern Wayne county. 2 to 3 inches of rain will quickly fall in
the heaviest of these storms. Excessive runoff from heavy rain
will result in minor flooding of creeks, streams, low water
crossings, urban areas and other low lying locations.

* Some locations that will experience flooding include...
Waynesboro, Clara and Buckatunna.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

CWOP ID: DW2721, CoCoRaHs Station: LA-TG-11
NWS's Ponchatoula/Hammond Area's COOP Member, Station ID 16-7425-08, PONL1

SKYSUMMIT
President | Director of Operations Administrator

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Daily General Weather Discussion Thread #26 Sept 10, 2018 9:27:06 GMT -6

Post by SKYSUMMIT on Sept 10, 2018 9:27:06 GMT -6

Flood Advisory
National Weather Service Houston/Galveston TX
1026 AM CDT MON SEP 10 2018

TXC039-167-101730-
/O.NEW.KHGX.FA.Y.0110.180910T1526Z-180910T1730Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Galveston TX-Brazoria TX-
1026 AM CDT MON SEP 10 2018

The National Weather Service in League City has issued a

* Flood Advisory for...
Galveston County in southeastern Texas...
Northeastern Brazoria County in southeastern Texas...

* Until 1230 PM CDT.

* At 1025 AM CDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause minor flooding in the advisory area.

* Some locations that will experience flooding include...
League City, Galveston Causeway, Galveston Island West End, Texas
City, Alvin, Dickinson, La Marque, Santa Fe, Hitchcock, Kemah,
Galveston Pier 21, Bayou Vista, Jamaica Beach, Tiki Island,
Hillcrest, Liverpool, San Leon, Scholes Field, Port Bolivar and
Offatts Bayou.

LAT...LON 2958 9494 2930 9470 2909 9503 2936 9542

$$

CWOP ID: DW2721, CoCoRaHs Station: LA-TG-11
NWS's Ponchatoula/Hammond Area's COOP Member, Station ID 16-7425-08, PONL1

HarahanTim
Director of Public Relations Moderator

Posts - 3,787
Likes - 2,122

Daily General Weather Discussion Thread #26 Sept 10, 2018 13:15:15 GMT -6

Post by HarahanTim on Sept 10, 2018 13:15:15 GMT -6

Flood Advisory
National Weather Service New Orleans LA
138 PM CDT MON SEP 10 2018

LAC051-071-102030-
/O.NEW.KLIX.FA.Y.0071.180910T1838Z-180910T2030Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Orleans LA-Jefferson LA-
138 PM CDT MON SEP 10 2018

The National Weather Service in New Orleans has issued a

* Urban and Small Stream Flood Advisory for...
Southwestern Orleans Parish in southeastern Louisiana...
North central Jefferson Parish in southeastern Louisiana...

* Until 330 PM CDT.

* At 136 PM CDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause street flooding in the advisory
area. Up to one inch of rain has already fallen.

Additional rainfall of 1 to 2 inches is expected over the area. This
additional rain will result in continued street flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of
highways, streets and underpasses as well as other drainage areas
and low lying spots.

Please report flooding to your local law enforcement agency when you
can do so safely.

A Flood Advisory means river or stream flows are elevated, or ponding
of water in urban or other areas is occurring or is imminent.

GCWX Director of Public Relations

HarahanTim
Director of Public Relations Moderator

Posts - 3,787
Likes - 2,122

Daily General Weather Discussion Thread #26 Sept 10, 2018 13:16:26 GMT -6

Post by HarahanTim on Sept 10, 2018 13:16:26 GMT -6

Flood Advisory
National Weather Service Lake Charles LA
212 PM CDT MON SEP 10 2018

TXC245-361-102115-
/O.NEW.KLCH.FA.Y.0044.180910T1912Z-180910T2115Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson TX-Orange TX-
212 PM CDT MON SEP 10 2018

The National Weather Service in Lake Charles has issued a

* Urban and Small Stream Flood Advisory for Poor Drainage Areas
for...
Northeastern Jefferson County in southeastern Texas...
Western Orange County in southeastern Texas...

* Until 415 PM CDT.

* At 212 PM CDT, Doppler radar indicated heavy rain that will cause
urban and small stream flooding. Overflowing poor drainage areas
will result in minor flooding in the advisory area. Up to two
inches of rain have already fallen at some locations.

* Some locations that will experience flooding include...
Beaumont, Port Arthur, Nederland, Port Neches, Vidor, Central
Gardens, Rose City, Pine Forest, La Belle, Port Acres and Southeast
Texas Regional Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.

GCWX Director of Public Relations

SKYSUMMIT
President | Director of Operations Administrator

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Daily General Weather Discussion Thread #26 Sept 10, 2018 13:50:22 GMT -6

Post by SKYSUMMIT on Sept 10, 2018 13:50:22 GMT -6

Special Weather Statement
National Weather Service New Orleans LA
234 PM CDT MON SEP 10 2018

LAZ062>064-069-070-102015-
Lower Plaquemines-Orleans-Upper St. Bernard-Lower St. Bernard-Upper
Plaquemines-
234 PM CDT MON SEP 10 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WEST CENTRAL ST.
BERNARD...SOUTH CENTRAL ORLEANS AND NORTHERN PLAQUEMINES PARISHES...

At 234 PM CDT, radar indicated strong thunderstorms were located
along a line extending from Chalmette to Poydras to 10 miles
southwest of Shell Beach. The storms are nearly stationary.

Winds in excess of 30 mph are possible with these storms.

Locations impacted include...
New Orleans, Chalmette, Belle Chasse, Violet, Meraux and Poydras.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

CWOP ID: DW2721, CoCoRaHs Station: LA-TG-11
NWS's Ponchatoula/Hammond Area's COOP Member, Station ID 16-7425-08, PONL1

SKYSUMMIT
President | Director of Operations Administrator

Posts - 59,042

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Daily General Weather Discussion Thread #26 Sept 10, 2018 13:56:40 GMT -6

Post by SKYSUMMIT on Sept 10, 2018 13:56:40 GMT -6

Special Weather Statement
National Weather Service New Orleans LA
255 PM CDT MON SEP 10 2018

LAZ040-MSZ080-102045-
St. Tammany-Hancock-
255 PM CDT MON SEP 10 2018

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN ST. TAMMANY PARISH
IN SOUTHEASTERN LOUISIANA AND WEST CENTRAL HANCOCK COUNTIES...

At 255 PM CDT, a strong thunderstorm was located near Slidell. The
storm is nearly stationary.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Slidell, Pearl River, Pearlington and Slidell Airport.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

CWOP ID: DW2721, CoCoRaHs Station: LA-TG-11
NWS's Ponchatoula/Hammond Area's COOP Member, Station ID 16-7425-08, PONL1

wilee81 Category 1 Posts - 286 Likes - 154	Daily General Weather Discussion Thread #26 Sept 10, 2018 16:52:19 GMT -6 Select Post Deselect Post Link to Post Back to Top Post by wilee81 on Sept 10, 2018 16:52:19 GMT -6 Nasty nasty storm sitting over BR and surrounding areas. They just issues a Flood Advisory for the area.

SKYSUMMIT
President | Director of Operations Administrator

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Daily General Weather Discussion Thread #26 Sept 10, 2018 21:39:49 GMT -6

Post by SKYSUMMIT on Sept 10, 2018 21:39:49 GMT -6

Mesoscale Precipitation Discussion 0821
NWS Weather Prediction Center College Park MD
1117 PM EDT Mon Sep 10 2018

Areas affected...Deep South Texas and Texas Coastline....

Concerning...Heavy rainfall...Flash flooding possible

Valid 110320Z - 110900Z

SUMMARY...Slow moving, highly efficient convection near the coast
and stalled mid-level wave in Deep South Texas.

DISCUSSION...At the tail end of the large scale westerly trof, an
inverted low level trof and possible closed 850mb wave remains
across far Deep South Texas into Northeast Old Mexico. Current
GOES-16 satellite suite suggests the MCV/wave is just south of the
Rio Grande near Rio Grande City, TX with maximized low level
moisture convergence to spark cycling moderate sized updrafts with
tops cooling occasionally to -70C. WV suite, denotes the western
edge of the Subtropical jet from Central Nuevo Leon to across
Starr and paralleling the TX coast before angling north to an
exiting mid-level shortwave near Austin to College Station, TX.
Moisture remains pooled across Deep South TX, with total PWATs
near 2.5". With freezing levels aoa 15Kft, warm cloud processes
similar to the past few days remain with scattered convection that
develops. Given weak inflow, cells have been maintained about 1-2
hours and with mean cell motions less than 10kts...localized
totals over 2-3" remain likely resulting in potential flash
flooding.

Later in the period, toward 05/06z, low level surface flow will
slightly increase with general confluence along the coast enhanced
by frictional convergence particularly near points/bays/coves that
will spark new development. Upper level winds are weak, but
generally unidirectional to support slightly tilted updrafts
(downdrafts) for slightly downstream rainfall that should not
choke inflow...leading to persisent heavy rainfall and potential
flash flooding along the coast line from Kenedy county to
Galveston Bay. HREF mean suggests greatest threat remains near
Baffin to Aransas Bay, though a few showers development can be
seen as far NW as Matagorda Bay. Increase of 850mb flow toward
07z up to 15kts from the due south has the potential to reduce
coastal flash flooding, leading to propagation offshore after
07z...though shifts threat for best coastal convergence toward
Galveston. Given repeat nature over past few days, soils have
become more saturated and susceptible to hydrophobic conditions
leading to greater flooding/inundation to occur. As such flash
flooding/inundation is considered possible through 09z.

Gallina

CWOP ID: DW2721, CoCoRaHs Station: LA-TG-11
NWS's Ponchatoula/Hammond Area's COOP Member, Station ID 16-7425-08, PONL1

SKYSUMMIT President \| Director of Operations Administrator Posts - 59,042 Likes - 8,925 Social: - Facebook, Twitter	Daily General Weather Discussion Thread #26 Sept 10, 2018 21:46:18 GMT -6 Select Post Deselect Post Link to Post Back to Top Post by SKYSUMMIT on Sept 10, 2018 21:46:18 GMT -6
	CWOP ID: DW2721, CoCoRaHs Station: LA-TG-11 NWS's Ponchatoula/Hammond Area's COOP Member, Station ID 16-7425-08, PONL1

SKYSUMMIT
President | Director of Operations Administrator

Posts - 59,042

Likes - 8,925

Social: - Facebook, Twitter

Daily General Weather Discussion Thread #26 Sept 11, 2018 6:02:58 GMT -6

Post by SKYSUMMIT on Sept 11, 2018 6:02:58 GMT -6

Flash Flood Warning
National Weather Service Houston/Galveston TX
508 AM CDT TUE SEP 11 2018

The National Weather Service in League City has issued a

* Flash Flood Warning for...
Northwestern Galveston County in southeastern Texas...
Southeastern Harris County in southeastern Texas...

* Until 700 AM CDT.

* At 507 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. 2 to 6 inches of rain have
fallen in the last 3 hours. Due to rainfall in low lying and poor
drainage areas in the warning area...flash flooding is ongoing or
expected to begin shortly.

* Some locations that will experience flooding include...
Southeastern Pasadena, northeastern League City, Galveston
Causeway, Texas City, La Porte, Dickinson, La Marque, Santa Fe,
Seabrook, Hitchcock, Kemah, Taylor Lake Village, El Lago, Bayou
Vista, Clear Lake Shores, Tiki Island, San Leon, Bacliff and Kemah
Boardwalk.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

CWOP ID: DW2721, CoCoRaHs Station: LA-TG-11
NWS's Ponchatoula/Hammond Area's COOP Member, Station ID 16-7425-08, PONL1

SKYSUMMIT
President | Director of Operations Administrator

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Likes - 8,925

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Daily General Weather Discussion Thread #26 Sept 11, 2018 6:40:41 GMT -6

Post by SKYSUMMIT on Sept 11, 2018 6:40:41 GMT -6

Dickinson [Galveston Co, TX] EMERGENCY MNGR reports FLASH FLOOD at 6:00 AM CDT -- SOME ROADS (INCLUDING HUGHES ROAD) FLOODED IN THE DICKINSON AREA.

Texas City [Galveston Co, TX] EMERGENCY MNGR reports FLASH FLOOD at 6:00 AM CDT -- ROADS CLOSED IN AND AROUND THE TEXAS CITY AREA. NUMEROUS STREETS UNDER WATER. CLASSES AT COLLEGE OF THE MAINLAND AND TEXAS CITY ISD CAMPUSES CANCELED.

CWOP ID: DW2721, CoCoRaHs Station: LA-TG-11
NWS's Ponchatoula/Hammond Area's COOP Member, Station ID 16-7425-08, PONL1

Daily General Weather Discussion Thread #26

Post by SKYSUMMIT on Sept 6, 2018 16:24:29 GMT -6

Post by SKYSUMMIT on Sept 6, 2018 16:26:15 GMT -6

Post by SKYSUMMIT on Sept 6, 2018 19:33:46 GMT -6

Post by SKYSUMMIT on Sept 7, 2018 15:47:25 GMT -6

Post by SKYSUMMIT on Sept 9, 2018 18:11:49 GMT -6

Post by SKYSUMMIT on Sept 10, 2018 9:27:06 GMT -6

Post by HarahanTim on Sept 10, 2018 13:15:15 GMT -6

Post by HarahanTim on Sept 10, 2018 13:16:26 GMT -6

Post by SKYSUMMIT on Sept 10, 2018 13:50:22 GMT -6

Post by SKYSUMMIT on Sept 10, 2018 13:56:40 GMT -6

Post by wilee81 on Sept 10, 2018 16:52:19 GMT -6

Post by SKYSUMMIT on Sept 10, 2018 21:39:49 GMT -6

Post by SKYSUMMIT on Sept 10, 2018 21:46:18 GMT -6

Post by SKYSUMMIT on Sept 11, 2018 6:02:58 GMT -6

Post by SKYSUMMIT on Sept 11, 2018 6:40:41 GMT -6

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