Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 190, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Aug 13, 1998, 4:34 PM CDT for Chambers County, Texas. It was in force for 61 min. 1 report 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
- Aug 13, 1998, 4:34 PM CDT (21:34 UTC)
- Expired
- Aug 13, 1998, 5:35 PM CDT
- In force
- 61 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Chambers County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 13, 4:47 PM CDT | Hail 0.75 | Anahuac, 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
Corpus Christi, TX (KCRP), launched 12:00Z, 9.6 hours before the alert went out and 341 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
- 3198 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -50 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aug 13, 2:35 PM CDT, 1 hour 59 minutes earlier.
Area forecast discussion, Aug 13, 2:35 PM CDT, 1 hour 59 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 235 PM CDT THU AUG 13 1998 CLUSTER OF SHOWERS AND THUNDERSTORMS MOVING ACROSS NORTHERN HALF OF FORECAST AREA WHILE SEABREEZE BOUNDARY STARTING TO PRODUCE CONVECTION OVER COASTAL COUNTIES. MODELS INDICATE MAIN ENERGY FROM UPPER TROUGH WILL REMAIN OVER CENTRAL PORTION OF TEXAS. HOWEVER...WEAK IMPULSE WILL CONTINUE TO PUSH EASTWARD TONIGHT AND FRIDAY ACROSS SOUTHEAST TEXAS. AVN SHOWS UPPER TROUGH HANGING ON JUST W OF REGION (WEAKENING) NEXT SEVERAL DAYS. PWS WILL REMAIN QUITE HIGH (NEAR 2 INCHES) NEXT TWO DAYS. SAME WITH CAPES ESPECIALLY ALONG COASTAL REGION. MESO-DRIVEN CONVECTION WILL BE THE RULE FOR THIS FORECAST PACKAGE. WILL STAY CLOSE TO AVIATION GUIDANCE AS THIS APPEARS TO BE MORE REASONABLE. WOULD BE PRUDENT TO MENTION LOCALLY HEAVY RAINFALL FOR 1ST AND 2ND PERIOD. RECOMMEND NO HEAT ADVISORY FOR FRIDAY AS CLOUD COVER AND SCATTERED CONVECTIONF WILL HELP KEEP TEMPS AT OR SLIGHTLY BELOW NORMS. CLL E/E E/B 74/91 74/94 5543 IAH E/E E/B 75/92 74/94 5543 GLS E/E E/B 81/91 81/91 4543 #37
In the hours before
Special weather statement, Aug 13, 2:48 PM CDT, 1 hour 46 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-235>238-141000- HEAVY RAIN OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 300 PM CDT TUE AUG 10 1998 THERE IS A THREAT OF LOCALLY HEAVY RAINFALL FOR PARTS OF SOUTHEAST TEXAS FOR TONIGHT AND FRIDAY. VERY MOIST AND UNSTABLE AIR OVER SOUTHEAST TEXAS...IN COMBINATION WITH IMPULSES FROM A SLOW MOVING UPPER LEVEL TROUGH OF LOW PRESSURE JUST WEST OF THE REGION...WILL RESULT IN SCATTERED TO WIDESPREAD AREAS OF THUNDERSTORMS AND SHOWERS. THE THUNDERSTORMS ARE EXPECTED TO PRODUCE LOCALLY HEAVY RAINFALL FROM 2 TO 4 INCHES. THIS MAY RESULT IN LOCALIZED STREET FLOODING ESPECIALLY ON LOW LYING AREAS. REMAIN ALERT FOR LATER STATEMENTS ON THIS DEVELOPING WEATHER SITUATION.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 7:00 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 50 min |
| Aug 13, 1:40 PM CDT | Severe Thunderstorm Warning | HGX | Polk, San Jacinto | 45 min |
| Aug 13, 1:48 PM CDT | Severe Thunderstorm Warning | HGX | Walker | 47 min |
| Aug 13, 2:22 PM CDT | Severe Thunderstorm Warning | HGX | Polk, San Jacinto | 63 min |
| Aug 13, 6:08 PM CDT | Tornado Warning | HGX | Brazoria, Matagorda | 32 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning in 1998
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.