Alert archive / Texas / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 18, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 14, 2014, 4:25 PM CDT for 4 counties in Texas. It was in force for 50 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
- Apr 14, 2014, 4:25 PM CDT (21:25 UTC)
- Expired
- Apr 14, 2014, 5:15 PM CDT
- In force
- 50 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
Counties Brazoria County, TX, Fort Bend County, TX, Galveston County, TX, Harris County, TX
The radar
The Houston radar (KHGX), 26 km from the middle of the area, began a volume at 21:28 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 14, 10:34 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.4 hours before the alert went out and 220 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
- 585 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 779 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.8
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 Apr 14, 3:45 PM CDT, 40 minutes earlier.
Area forecast discussion, Apr 14, 3:45 PM CDT, 40 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
345 PM CDT MON APR 14 2014
.DISCUSSION...
AT 345 WATCHING ONE REMAIN REMAINING ELEVATED TSTM MOVING IN FROM
THE SW CAPABLE OF PRODUCING HAIL (EGYPT HAS BEEN A LARGE HAIL
MAGNET IN THE PAST). CX MOST OF THE EARLIER WATCH EXCEPT AROUND
THAT TSTM.
EXTENDED WIND ADVSY AT THE COAST UNTIL 4 AM. ANTICIPATE SPEEDS TO
ACTUALLY INCREASE AS COLDER AIR MOVES OVER THE WARMER WATER. GUSTS
ABOVE 40 MPH A GOOD BET AT THE BEACHES/COASTLINE.
UNSEASONABLY COLD AIR BEHIND THIS FRONT. LOWS WILL APPROACH
RECORDS BUT SUSPECT WET GROUND/WINDS WILL BE LIMITING FACTORS FOR
THE SRN 2/3. HERE'S THE RECORDS FOR TUE:
CLL 38/1928 (FCST 35)
IAH 38/1928 (FCST 39)
GLS 41/1929 (FCST 45)
HIGH PRES WILL MOVE OFF TO THE EAST AND ONSHORE FLOW WILL RESUME
LATE TUE. GRADUAL WARMING/MOISTENING TREND WILL THEN ENSUE.
WEAKENING FRONT WILL DIP INTO SE TX FRI AND BECOME DIFFUSE/WASHOUT
AS ITS UPPER SUPPORT AND PUSH HEADS OFF TO THE NE. 47
&&
.MARINE...
AN ALL-WATER GALE WARNING IS IN EFFECT THROUGH TUESDAY 7 AM CDT.
NORTHWESTERLY GALE FORCE WINDS WILL OCCUR OVER THE LOCAL WATERS AS
STRONG COLD AIR ADVECTION WORKS IN TANDEM WITH A TIGHT OFFSHORE
PRESSURE GRADIENT THAT FOLLOWS/DEVELOPS BEHIND THIS AFTERNOON'S COLD
FRONTAL PASSAGE. ELEVATED SEAS TO AS HIGH AS 10-12 FEET OFFSHORE...7
TO 8 FEET NEARSHORE. RAIN WITH EMBEDDED THUNDERSTORMS TO PASS OVER
THE WATERS THROUGH THE EARLY EVENING HOURS. SMALL CRAFT ARE NOT
ADVISED TO BE ON THE WATER THROUGH EARLY TUESDAY. WINDS AND SEAS
WILL WEAKEN/LOWER THROUGH TUESDAY...WITH GALE WARNINGS LOWERING TO
ADVISORIES THEN FALLING TO CAUTIONS BY LATE TUESDAY AFTERNOON. HIGH
PRESSURE MOVING OVERHEAD ON ITS EASTERN TREK WILL HAVE LIGHT WINDS
BECOMING ONSHORE BY MID-WEEK. A WEAK BOUNDARY FRIDAY WILL BACK
EASTERLIES A TOUCH MORE NORTHEASTERLY. HIGHER LATE WEEK RAIN CHANCES
PER A DEVELOPING NEAR-COASTAL SURFACE TROUGH. 31
&&
.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL) 35 64 40 71 56 / 10 0 0 10 10
HOUSTON (IAH) 39 64 40 71 58 / 10 0 0 10 10
GALVESTON (GLS) 45 63 51 68 63 / 20 0 0 10 10
&&
.HGX WATCHES/WARNINGS/ADVISORIES...
TX...WIND ADVISORY UNTIL 9 PM CDT THIS EVENING FOR THE FOLLOWING
ZONES: AUSTIN...BRAZOS...BURLESON...COLORADO...FORT BEND...
GRIMES...HOUSTON...LIBERTY...MADISON...MONTGOMERY...POLK...
SAN JACINTO...TRINITY...WALKER...WALLER...WASHINGTON...
WHARTON.
WIND ADVISORY UNTIL 4 AM CDT TUESDAY FOR THE FOLLOWING ZONES:
BRAZORIA...CHAMBERS...GALVESTON...HARRIS...JACKSON...
MATAGORDA.
GM...SMALL CRAFT SHOULD EXERCISE CAUTION FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON FOR THE FOLLOWING ZONES: GALVESTON BAY...
MATAGORDA BAY.
GALE WARNING UNTIL 7 AM CDT TUESDAY FOR THE FOLLOWING ZONES:
GALVESTON BAY...MATAGORDA BAY...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.
SMALL CRAFT ADVISORY FROM 7 AM TO 1 PM CDT TUESDAY FOR THE
FOLLOWING ZONES: WATERS FROM FREEPORT TO THE MATAGORDA SHIP
CHANNEL OUT 20 NM...WATERS FROM HIGH ISLAND TO FREEPORT OUT
20 NM.
SMALL CRAFT SHOULD EXERCISE CAUTION FROM TUESDAY AFTERNOON
THROUGH TUESDAY EVENING FOR THE FOLLOWING ZONES: WATERS
FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM...
WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM.
SMALL CRAFT ADVISORY FROM 7 AM TO 7 PM CDT TUESDAY FOR THE
FOLLOWING ZONES: WATERS FROM FREEPORT TO THE MATAGORDA SHIP
CHANNEL 20 NM TO 60 NM...WATERS FROM HIGH ISLAND TO
FREEPORT 20 TO 60 NM.
&&Hazardous weather outlook, Apr 14, 4:10 PM CDT, 15 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 410 PM CDT MON APR 14 2014 TXZ163-164-176>179-195>200-210>212-226-227-152115- AUSTIN-BRAZOS-BURLESON-COLORADO-FORT BEND-GRIMES-HOUSTON-LIBERTY- MADISON-MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER- WASHINGTON-WHARTON- 410 PM CDT MON APR 14 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. .DAY ONE...TONIGHT THE THREAT OF ISOLATED ELEVATED THUNDERSTORMS AND HAIL WILL END THIS EVENING. WINDS WILL REMAIN ELEVATED INTO THE MID EVENING HOURS WITH GUSTS TO 35 MPH CONTINUING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NEAR RECORD LOW TEMPERATURES MAY BE POSSIBLE TUESDAY AND WEDNESDAY MORNINGS. FREEZING TEMPERATURES ARE NOT EXPECTED BUT TEMPERATURES COULD DROP CLOSE TO FREEZING IN RURAL AREAS. OTHERWISE HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. GMZ330-335-350-355-370-375-TXZ213-214-235>238-152115- BRAZORIA-CHAMBERS-GALVESTON-GALVESTON BAY-HARRIS-JACKSON- MATAGORDA-MATAGORDA BAY- 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- 410 PM CDT MON APR 14 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. .DAY ONE...TONIGHT THE THREAT OF ISOLATED ELEVATED THUNDERSTORMS AND HAIL WILL END THIS EVENING. WINDS WILL REMAIN HIGH FOR MOST OF THE NIGHT ESPECIALLY NEAR THE COAST WHERE GUSTS ABOVE 40 MPH ARE POSSIBLE. SPEEDS SHOULD TAPER OFF INLAND LATE. OFFSHORE...GALE FORCE WINDS ARE EXPECTED AND WARNINGS ARE IN EFFECT. SEAS WILL BECOME VERY ROUGH WITH SEAS GREATER THAN 10 FEET IN MOST OFFSHORE WATERS TONIGHT. CONDITIONS WILL BE SLOW TO DECREASE. A LOW WATER ADVISORY IS IN EFFECT FOR THE BAYS FOR BELOW NORMAL TIDES. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY SMALL CRAFT ADVISORIES MAY BE NEEDED TUESDAY AS NORTHERLY WINDS AND SEAS SLOWLY DECREASE. WATER LEVELS WILL GRADUALLY RECOVER BEGINNING TUESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Apr 14, 11:50 AM CDT, 4 hours 35 minutes before
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</html>Special weather statement, Apr 14, 12:15 PM CDT, 4 hours 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1215 PM CDT MON APR 14 2014
TXZ210-141800-
COLORADO TX-
1215 PM CDT MON APR 14 2014
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN COLORADO COUNTY
UNTIL 100 PM CDT...
AT 1214 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR HALLETTSVILLE...MOVING NORTHEAST AT 40 MPH.
NICKEL SIZE HAIL OR LARGER WILL BE POSSIBLE WITH THIS STORM IF IT
MAINTAINS ITS INTENSITY AS IT MOVES INTO COLORADO COUNTY. A SEVERE
THUNDERSTORM WARNING MAY BE REQUIRED.
LOCATIONS IMPACTED INCLUDE...
WEIMAR...SHERIDAN AND ROCK ISLAND.
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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM CDT MONDAY
AFTERNOON FOR .
LAT...LON 2985 9667 2948 9646 2944 9666 2958 9679
2958 9683 2962 9684 2963 9688
TIME...MOT...LOC 1714Z 243DEG 35KT 2951 9694Special weather statement, Apr 14, 12:17 PM CDT, 4 hours 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1217 PM CDT MON APR 14 2014 TXZ195>198-212-141800- GRIMES TX-BURLESON TX-WALLER TX-BRAZOS TX-WASHINGTON TX- 1217 PM CDT MON APR 14 2014 ...SPECIAL WEATHER STATEMENT... AT 1217 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 10 MILES EAST OF LAKE SOMERVILLE DAM...OR 11 MILES NORTH OF BRENHAM... MOVING EAST AT 45 MPH. HALF INCH HAIL WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... NAVASOTA...WASHINGTON...MILLICAN...ANDERSON AND INDEPENDENCE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM CDT MONDAY AFTERNOON FOR . LAT...LON 3020 9646 3039 9650 3052 9592 3020 9585 TIME...MOT...LOC 1717Z 257DEG 40KT 3032 9635
Special weather statement, Apr 14, 1:03 PM CDT, 3 hours 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 103 PM CDT MON APR 14 2014 TXZ210>212-226-227-141845- COLORADO TX-AUSTIN TX-WALLER TX-FORT BEND TX-WHARTON TX- 103 PM CDT MON APR 14 2014 ...SPECIAL WEATHER STATEMENT... AT 103 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7 MILES SOUTHEAST OF COLUMBUS...MOVING EAST AT 45 MPH. HALF INCH HAIL WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... SEALY...COLUMBUS...EAGLE LAKE...WALLIS...SIMONTON...SAN FELIPE AND ALTAIR. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM CDT MONDAY AFTERNOON. LAT...LON 2947 9655 2972 9657 2993 9606 2967 9594 TIME...MOT...LOC 1803Z 248DEG 37KT 2966 9644
Special weather statement, Apr 14, 3:08 PM CDT, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
308 PM CDT MON APR 14 2014
TXZ210-226-235-142045-
COLORADO TX-JACKSON TX-WHARTON TX-
308 PM CDT MON APR 14 2014
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN JACKSON...SOUTHEASTERN
COLORADO AND CENTRAL WHARTON COUNTIES UNTIL 345 PM CDT...
AT 307 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7
MILES NORTH OF SPEAKS...OR 14 MILES EAST OF HALLETTSVILLE...MOVING
EAST AT 45 MPH.
NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.
LOCATIONS IMPACTED INCLUDE...
EAGLE LAKE...NADA...ROCK ISLAND...EGYPT...GARWOOD...SHERIDAN AND
ALTAIR.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM CDT MONDAY
AFTERNOON FOR .
LAT...LON 2967 9630 2925 9616 2925 9667 2934 9656
2949 9671
TIME...MOT...LOC 2007Z 259DEG 40KT 2937 9671The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 10:56 PM CDT | Special Weather Statement | HGX | Burleson | 49 min |
| Apr 13, 11:34 PM CDT | Special Weather Statement | HGX | Brazos | 41 min |
| Apr 14, 4:16 AM CDT | Wind Advisory | HGX | Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 17 more | 24 hr |
| Apr 14, 6:36 AM CDT | Special Weather Statement | HGX | Houston | 39 min |
| Apr 14, 6:45 AM CDT | Severe Thunderstorm Warning | HGX | Houston | 45 min |
| Apr 14, 7:51 AM CDT | Severe Thunderstorm Warning | HGX | Grimes, Madison, Walker | 39 min |
| Apr 14, 11:50 AM CDT | Special Weather Statement | HGX | Grimes, Walker | 40 min |
| Apr 14, 12:15 PM CDT | Special Weather Statement | HGX | Colorado | 45 min |
| Apr 14, 12:17 PM CDT | Special Weather Statement | HGX | Washington | 43 min |
| Apr 14, 12:34 PM CDT | Severe Thunderstorm Warning | HGX | Colorado | 26 min |
| Apr 14, 1:03 PM CDT | Special Weather Statement | HGX | Colorado | 42 min |
| Apr 14, 3:08 PM CDT | Special Weather Statement | HGX | Wharton | 37 min |
| Apr 14, 3:21 PM CDT | Small Craft Advisory | HGX | 25 hr | |
| Apr 14, 3:32 PM CDT | Severe Thunderstorm Warning | HGX | Colorado, Wharton | 28 min |
| Apr 14, 3:56 PM CDT | Severe Thunderstorm Warning | HGX | Fort Bend, Wharton | 34 min |
| Apr 14, 6:08 PM CDT | Special Weather Statement | HGX | Chambers | 22 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.