Alert archive / Texas / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 46, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jul 3, 2014, 3:51 PM CDT for 4 counties in Texas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 3, 2014, 3:51 PM CDT (20:51 UTC)
- Expired
- Jul 3, 2014, 4:15 PM CDT
- In force
- 24 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
Counties Grimes County, TX, Harris County, TX, Montgomery County, TX, Waller County, TX
The radar
The Houston radar (KHGX), 100 km from the middle of the area, began a volume at 20:54 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.9 hours before the alert went out and 242 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 678 J/kg
- Mixed-layer CIN
- -177 J/kg
- Mixed-layer LCL
- 1234 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 3, 1:52 PM CDT, 1 hour 59 minutes earlier.
Area forecast discussion, Jul 3, 1:52 PM CDT, 1 hour 59 minutes before
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</html>Hazardous weather outlook, Jul 3, 7:22 AM CDT, 8 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 722 AM CDT THU JUL 3 2014 GMZ330-335-350-355-370-375-TXZ163-164-176>179-195>200-210>214-226- 227-235>238-041230- AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND- GALVESTON-GALVESTON BAY-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY- MADISON-MATAGORDA-MATAGORDA BAY-MONTGOMERY-POLK-SAN JACINTO- TRINITY-WALKER-WALLER-WASHINGTON- WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL 20 NM TO 60 NM- WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM- WATERS FROM HIGH ISLAND TO FREEPORT 20 TO 60 NM- WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-WHARTON- 722 AM CDT THU JUL 3 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT SLIGHT CHANCES FOR MID TO LATE AFTERNOON ISOLATED THUNDERSTORM DEVELOPMENT THAT COULD PRODUCE VERY LOCALIZED HIGH RAINFALL LEADING TO SHORT LIVED FLOODING...FREQUENT LIGHTNING...SMALL HAIL...AND GUSTY WINDS IN EXCESS OF 35 MPH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH SUNDAY THERE IS A HIGHER PROBABILITY FOR GREATER AREAL COVERAGE OF RAIN SHOWER AND THUNDERSTORM ACTIVITY DURING THE HOLIDAY FRIDAY. THE MAIN THREATS FOR THE STRONGEST FOURTH OF JULY THUNDERSTORMS WILL BE HIGH RAINFALL RATES LEADING TO STREET FLOODING...FREQUENT LIGHTNING...AND GUSTY DOWNBURST WINDS IN EXCESS OF 35 MPH. THE MAJORITY OF FIREWORKS DISPLAYS WILL NOT BE AFFECTED BY ADVERSE WEATHER AS...BECAUSE THE STRONGEST CONVECTION WILL BE FUELED BY AFTERNOON HEATING...MOST ACTIVITY WILL WANE TO BELOW HAZARDOUS LEVELS AROUND SUNSET. PARTIES WITH OUTDOOR ACTIVITY INTERESTS OVER INDEPENDENCE DAY SHOULD CLOSELY MONITOR SUBSEQUENT FORECASTS AND OR ADVISORIES CONCERNING THE POTENTIAL FOR HAZARDOUS HOLIDAY WEATHER. REMEMBER THE LIGHTNING SAFETY RULES...WHEN THE THUNDER ROARS...GO INDOORS! .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED IF AND WHEN DAILY THUNDERSTORM ACTIVITY COMMENCES.
In the hours before
Special weather statement, Jul 3, 2:32 PM CDT, 1 hour 19 minutes before
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</html>Special weather statement, Jul 3, 3:19 PM CDT, 32 minutes before
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</html>Special weather statement, Jul 3, 3:22 PM CDT, 29 minutes before
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</html>Special weather statement, Jul 3, 3:25 PM CDT, 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 325 PM CDT THU JUL 3 2014 TXZ195>198-032045- GRIMES TX-BURLESON TX-BRAZOS TX-WASHINGTON TX- 325 PM CDT THU JUL 3 2014 ...CORRECTION... SPECIAL WEATHER STATEMENT AT 320 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER MILLICAN...OR 7 MILES NORTHWEST OF NAVASOTA...MOVING NORTHEAST AT 5 MPH. WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM AND TORRENTIAL RAINFALL IS POSSIBLE. LOCATIONS IMPACTED INCLUDE... SOUTHEASTERN COLLEGE STATION...NAVASOTA...MILLICAN...ANDERSON... CARLOS AND WELLBORN. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 3032 9627 3056 9635 3071 9606 3040 9588 TIME...MOT...LOC 2020Z 243DEG 6KT 3048 9617 PK
Special weather statement, Jul 3, 3:40 PM CDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
340 PM CDT THU JUL 3 2014
TXZ195>200-212>214-032145-
GRIMES TX-HARRIS TX-BURLESON TX-LIBERTY TX-WALLER TX-CHAMBERS TX-
BRAZOS TX-WASHINGTON TX-MONTGOMERY TX-
340 PM CDT THU JUL 3 2014
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN WASHINGTON...
SOUTHEASTERN BRAZOS...EASTERN HARRIS...SOUTHERN MONTGOMERY...NORTHERN
WALLER...SOUTHERN GRIMES...SOUTHWESTERN LIBERTY...SOUTHEASTERN
BURLESON AND NORTHWESTERN CHAMBERS COUNTIES UNTIL 445 PM CDT...
AT 337 PM CDT...DOPPLER RADAR WAS TRACKING A DEVELOPING LINE OF
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES SOUTH OF
COLLEGE STATION TO THE WOODLANDS TO 6 MILES EAST OF OLD RIVER-
WINFREE...AND MOVING SOUTHEAST AT 10 TO 20 MPH.
PEA SIZED HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THESE STORMS.
THE STORMS SHOULD MOVE INTO THE NORTHERN PORTIONS OF HOUSTON AS WELL
AS NORTHEAST WASHINGTON AND NORTHERN WALLER COUNTIES BY 445 PM.
LOCATIONS IMPACTED INCLUDE... SOUTHEASTERN COLLEGE
STATION...BAYTOWN...HUMBLE...TOMBALL... SOUTHWESTERN
LIBERTY...DAYTON...NAVASOTA...PRAIRIE VIEW...BEACH
CITY...PINEHURST...CHANNELVIEW...HIGHLANDS...ALDINE...KINGWOOD...
CLOVERLEAF...SPRING...BARRETT...GREATER GREENSPOINT...THE WOODLANDS
AND NORTHERN NORTHSIDE / NORTHLINE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 2977 9476 2976 9482 2967 9488 2971 9500
2975 9504 2975 9510 3037 9665 3057 9631
2993 9459
TIME...MOT...LOC 2037Z 316DEG 17KT 3051 9630 2987 9472
!KP!The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 7:20 PM CDT | Special Weather Statement | HGX | Trinity | 25 min |
| Jul 2, 7:45 PM CDT | Severe Thunderstorm Warning | HGX | Houston, San Jacinto, Trinity, Walker | 30 min |
| Jul 2, 7:50 PM CDT | Areal Flood Advisory | HGX | San Jacinto, Trinity | 55 min |
| Jul 2, 8:10 PM CDT | Severe Thunderstorm Warning | HGX | Houston, Madison, Trinity, Walker | 18 min |
| Jul 3, 12:59 PM CDT | Special Weather Statement | HGX | Polk | 46 min |
| Jul 3, 2:32 PM CDT | Special Weather Statement | HGX | Walker | 43 min |
| Jul 3, 3:14 PM CDT | Special Weather Statement | HGX | Polk | 31 min |
| Jul 3, 3:19 PM CDT | Special Weather Statement | HGX | San Jacinto | 41 min |
| Jul 3, 3:22 PM CDT | Special Weather Statement | HGX | Grimes | 23 min |
| Jul 3, 3:25 PM CDT | Special Weather Statement | HGX | Grimes | 20 min |
| Jul 3, 3:40 PM CDT | Special Weather Statement | HGX | Montgomery | 65 min |
| Jul 3, 4:28 PM CDT | Special Weather Statement | HGX | Trinity | 47 min |
| Jul 3, 4:31 PM CDT | Special Weather Statement | HGX | Chambers | 44 min |
| Jul 3, 4:39 PM CDT | Severe Thunderstorm Warning | HGX | Fort Bend, Harris | 51 min |
| Jul 3, 5:04 PM CDT | Special Weather Statement | HGX | Austin, Colorado | 41 min |
| Jul 3, 5:07 PM CDT | Areal Flood Advisory | HGX | Harris | 53 min |
| Jul 3, 5:13 PM CDT | Areal Flood Advisory | HGX | San Jacinto, Trinity | 62 min |
| Jul 3, 5:13 PM CDT | Special Weather Statement | HGX | Houston | 47 min |
| Jul 3, 5:36 PM CDT | Flash Flood Warning | HGX | Harris | 54 min |
| Jul 3, 5:36 PM CDT | Special Weather Statement | HGX | Brazos, Burleson, Madison | 54 min |
| Jul 3, 6:07 PM CDT | Areal Flood Advisory | HGX | Brazos, Madison | 53 min |
| Jul 3, 6:25 PM CDT | Special Weather Statement | HGX | Brazos, Burleson, Madison | 65 min |
| Jul 3, 6:38 PM CDT | Special Weather Statement | HGX | Jackson | 37 min |
| Jul 3, 6:41 PM CDT | Special Weather Statement | HGX | Houston | 34 min |
| Jul 3, 6:44 PM CDT | Severe Thunderstorm Warning | HGX | Houston, Trinity | 46 min |
| Jul 3, 6:51 PM CDT | Severe Thunderstorm Warning | HGX | Houston | 24 min |
| Jul 3, 6:55 PM CDT | Special Weather Statement | HGX | Wharton | 35 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2014Every severe thunderstorm warning in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.