Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 247, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Oct 5, 1998, 8:34 PM CDT for Kimble County, Menard County, Texas. It was in force for 61 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
- Oct 5, 1998, 8:34 PM CDT (01:34 UTC)
- Expired
- Oct 5, 1998, 9:35 PM CDT
- In force
- 61 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
Counties Kimble County, TX, Menard County, TX
The radar
The San Angelo radar (KSJT), 101 km from the middle of the area, began a volume at 01:36 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 |
|---|---|---|---|
| Oct 5, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 1.6 hours before the alert went out and 178 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
- 5197 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1176 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 3.0
- Supercell composite
- 22.7
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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 5, 1:53 PM CDT, 6 hours 41 minutes earlier.
Area forecast discussion, Oct 5, 1:53 PM CDT, 6 hours 41 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 153 PM CDT MON OCT 5 1998 FRONT CONTINUES TO DROP SOUTHWARD FROM NEAR KMAF TO BETWEEN KSJT AND KABI AT 1850Z...WITH SCATTERED SHOWERS AND STORMS DEVELOPING NORTH OF THE FRONT ACROSS THE BIG COUNTRY. A VERY UNSTABLE CONTINUES AHEAD OF THE FRONT...WITH CAPES RUNNING AT OR ABOVE 3000. ALOFT...LONGWAVE TROUGH CONTINUES OVER THE SOUTHERN ROCKIES...WITH TWO SIGNIFICANT SHORTWAVES. THE FIRST SHORTWAVE IS EVIDENT ON WATER VAPOR IMAGERY ACROSS NEW MEXICO...WITH A SECOND WAVE DROPPING INTO ARIZONA. GIVEN THE RADAR TRENDS...WILL LEAN TOWARD THE FRONT MOVING EXTENDING FROM SAN ANGELO TO BROWNWOOD AROUND 5 PM...AND THEN MOVING INTO THE NORTHERN EDWARDS PLATEAU AND NORTHWEST HILL COUNTRY BY MID EVENING. THE FIRST SHORTWAVE WILL AID DEVELOPMENT THIS AFTERNOON AND EVENING... WITH THE SECOND WAVE KICKING OFF ANOTHER ROUND OF ACTIVITY TOWARDS SUNRISE. THUS...WILL LEAN TOWARDS FAIRLY HIGH POPS AREAWIDE...WITH BEST CHANCES ACROSS THE SOUTHEAST AND WHERE SQUALL LINE DEVELOPMENT CERTAINLY POSSIBLE THIS EVENING. AS FOR TEMPS...LOWS UPSTREAM ACROSS THE SOUTH PLAINS AND PANHANDLE WERE IN THE LOW TO MID 50S THIS MORNING. NGM MOS GUIDANCE NUMBERS FROM THE MID 50S TO NEAR 60 FOR LOWS DO NOT LOOK UNREASONABLE. MODELS SIMILAR IN PUSHING THE SECOND SHORTWAVE THROUGH ON TUESDAY MORNING...WITH THE LONGWAVE TROUGH AXIS FOLLOWING DURING THE DAY. THINK THE ETA MAY BE UNDERDOING CLOUD COVER...AND WILL THUS LEAN TOWARDS A NGM AND AVIATION BLEND...FAIRLY EXTENSIVE CLOUD COVER DURING THE MORNING...WITH PERHAPS SOME CLEARING FROM THE WEST BY LATE AFTERNOON. GIVEN THAT SOME SUNSHINE EXPECTED...WILL GO A TOUCH ABOVE MOS FOR HIGHS. ABI 0:54/070 43 JCT 060/071 73 SJT 057/072 42 07
In the hours before
Local storm report, Oct 5, 3:50 PM CDT, 4 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
350 PM CDT MON OCT 05 1998
TIME(CDT) .....CITY LOCATION..... STATE...EVENT/REMARKS...
....COUNTY LOCATION....
0348 PM WINTERS TX 0.75 INCH HAIL
10/05/98 RUNNELS DIME SIZE HAILLocal storm report, Oct 5, 3:50 PM CDT, 4 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
350 PM CDT MON OCT 05 1998
TIME(CDT) .....CITY LOCATION..... STATE...EVENT/REMARKS...
....COUNTY LOCATION....
0348 PM WINTERS TX 0.75 INCH HAIL
10/05/98 RUNNELS DIME SIZE HAILLocal storm report, Oct 5, 4:07 PM CDT, 4 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
407 PM CDT MON OCT 05 1998
TIME(CDT) .....CITY LOCATION..... STATE...EVENT/REMARKS...
....COUNTY LOCATION....
0350 PM WINTERS TX 1.50 INCH HAIL
10/05/98 RUNNELS WALNUT SIZE HAILThe office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 7:13 PM CDT | Tornado Warning | SJT | Crockett | 77 min |
| Oct 5, 7:23 PM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 62 min |
| Oct 5, 7:25 PM CDT | Tornado Warning | SJT | Schleicher | 50 min |
| Oct 5, 7:33 PM CDT | Severe Thunderstorm Warning | SJT | Concho, Menard | 62 min |
| Oct 5, 8:43 PM CDT | Severe Thunderstorm Warning | SJT | Sutton | 77 min |
| Oct 5, 10:26 PM CDT | Flash Flood Warning | SJT | Kimble | 3 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.