Alert archive / Texas / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 201, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Sep 27, 1996, 4:03 AM CDT for Liberty County, San Jacinto County, Texas. It was in force for 57 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 27, 1996, 4:03 AM CDT (09:03 UTC)
- Expired
- Sep 27, 1996, 5:00 AM CDT
- In force
- 57 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
Counties Liberty County, TX, San Jacinto County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 27, 4:14 AM CDT | Thunderstorm Wind | Cleveland, TX | |
| Sep 27, 4:15 AM CDT | Thunderstorm Wind | Srn County, TX | |
| Sep 27, 4:30 AM CDT | Hail 0.75 | Shepherd, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.1 hours before the alert went out and 174 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
- 1768 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 856 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Sep 27, 3:15 AM CDT, 48 minutes earlier.
Area forecast discussion, Sep 27, 3:15 AM CDT, 48 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
315 AM CDT FRI SEP 27 1996
MASSIVE AFOS PROBLEMS AND VERY LIMITED DATA TO WORK WITH.
DUE TO DELAYS--WILL KEEP IT SHORT...VERY HEAVY RAINS HAVE OR ARE
STILL FALLING NORTH OF A MADISONVILLE-HUNTSVILLE-SHEPARD-LIVINGSTON
LINE. NESDIS RAINFALL ESTIMATIONS RANGING FROM 3 TO 6 INCHES. 88D
ESTIMATES RUNNING SHY BASED ON PRELIM REPORTS. APPEARS THAT
LIVINGSTON COUNTY MAY HAVE RECIEVED IN EXCESS OF 7 INCHES. CXO ASOS
REPORTED 0.41 INCH OF RAIN IN 5 MINUTES AT 315 AM. FRONT APPEARS TO
HAVE SLOWED DRAMATICALLY IN RESPONSE TO DIGGING S/W OVER THE ROCKIES.
THIS HAS PROMPTED A FLASH FLOOD WATCH FOR ALL OF SETX. SLUG OF
MOISTURE (PER WATER VAPOR) MOVING UP THE COAST TOWARD THE WATCH AREA
SO WOULD EXPECT REDEVELOPMENT/INTENSIFICATION TO THE SOUTH. FOR
FURTHER MET REASONING SEE SAT SFD. HIGH POPS WARRANTED FOR TODAY
WITH COOLER TEMPS DUE TO PRECIP AND CLOUD COVER. FRONT SHOULD MOVE
OFF THE COAST LATE AFTERNOON/EARLY EVENING...BUT PREFRONTAL ACTIVITY
WILL LIKELY CONFUSE THIS ISSUE. VERY STRONG OFFSHORE FLOW
TONIGHT/SATURDAY WILL REQUIRE A GALE WARNING FOR THE NEARSHORE WATERS.
THANKS SAT FOR THE BRIEFING AND ASSISTANCE...MUCH APPRECIATED!
45
DUE TO VERY LIMITED DATA
LOW CONFIDENCE ON THESE PRELIMS...
TEMP POP
CLL 85 5
IAH 86 8
GLS 87 8The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 8:02 PM CDT | Flash Flood Warning | HGX | Madison | 3 hr |
| Sep 26, 9:01 PM CDT | Flash Flood Warning | HGX | Houston | 119 min |
| Sep 26, 10:32 PM CDT | Tornado Warning | HGX | Trinity | 58 min |
| Sep 26, 10:57 PM CDT | Flash Flood Warning | HGX | Houston, Madison, Trinity | 2 hr |
| Sep 26, 11:18 PM CDT | Severe Thunderstorm Warning | HGX | Polk | 57 min |
| Sep 27, 12:11 AM CDT | Severe Thunderstorm Warning | HGX | Polk, San Jacinto | 64 min |
| Sep 27, 1:12 AM CDT | Flash Flood Warning | HGX | San Jacinto, Walker | 3 hr |
| Sep 27, 1:12 AM CDT | Flash Flood Warning | HGX | Polk | 3 hr |
| Sep 27, 4:20 AM CDT | Flash Flood Warning | HGX | Polk, San Jacinto | 115 min |
| Sep 27, 4:38 AM CDT | Flash Flood Warning | HGX | Montgomery | 3 hr |
| Sep 27, 4:50 AM CDT | Flash Flood Warning | HGX | Liberty | 3 hr |
| Sep 27, 5:05 AM CDT | Severe Thunderstorm Warning | HGX | Liberty, Montgomery | 55 min |
| Sep 27, 5:54 AM CDT | Severe Thunderstorm Warning | HGX | Liberty, Montgomery | 66 min |
| Sep 27, 6:15 AM CDT | Flash Flood Warning | HGX | Polk, San Jacinto | 105 min |
| Sep 27, 6:39 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 66 min |
| Sep 27, 6:50 AM CDT | Flash Flood Warning | HGX | Harris, Montgomery | 3 hr |
| Sep 27, 6:55 AM CDT | Severe Thunderstorm Warning | HGX | Liberty | 65 min |
| Sep 27, 7:54 AM CDT | Flash Flood Warning | HGX | Liberty | 3 hr |
| Sep 27, 9:38 AM CDT | Tornado Warning | HGX | Liberty | 67 min |
| Sep 27, 9:47 AM CDT | Flash Flood Warning | HGX | Harris, Montgomery | 3 hr |
| Sep 27, 9:56 AM CDT | Tornado Warning | HGX | Chambers, Galveston | 64 min |
| Sep 27, 10:33 AM CDT | Flash Flood Warning | HGX | Liberty | 4 hr |
| Sep 27, 12:09 PM CDT | Tornado Warning | HGX | Chambers | 66 min |
| Sep 27, 12:20 PM CDT | Flash Flood Warning | HGX | Chambers, Harris | 4 hr |
| Sep 27, 1:57 PM CDT | Severe Thunderstorm Warning | HGX | Chambers, Galveston | 48 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1996Every severe thunderstorm warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.