Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 146, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Sep 12, 2000, 7:23 PM CDT for Fisher County, Texas. It was in force for 52 min. 2 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 12, 2000, 7:23 PM CDT (00:23 UTC)
- Expired
- Sep 12, 2000, 8:15 PM CDT
- In force
- 52 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
County Fisher County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 12, 7:34 PM CDT | Hail 1.75 | Mc Caulley, TX | |
| Sep 12, 8:10 PM CDT | Hail 1.75 | Longworth, 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
Midland Regional, TX (KMAF), launched 00:00Z, 0.4 hours before the alert went out and 191 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
- 276 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 3686 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 59 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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 12, 3:08 PM CDT, 4 hours 15 minutes earlier.
Area forecast discussion, Sep 12, 3:08 PM CDT, 4 hours 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 308 PM CDT TUE SEP 12 2000 UNCERTAINTY ABOUNDS IN THE FORECAST TODAY. SURFACE LOW HAS DEVELOPED AND SAGGED SOUTHWARD INTO THE SOUTHEAST PERMIAN BASIN...WITH THE FRONTAL BOUNDARY EXTENDING NORTHWARD THROUGH THE NORTHWEST BIG COUNTRY TO WEST OF WICHITA FALLS. A STRING OF GRAVITY WAVES IS MOVING ACROSS THE CONCHO VALLEY AS WELL. CONVERGENCE ALONG THESE GRAVITY WAVES HAS BROKEN THE CAP ACROSS THE SOUTHERN CONCHO VALLEY...WHERE CONVECTION HAS RAPIDLY DEVELOPED THE LAST HOUR. ADDITIONAL MORE ISOLATED ACTIVITY DEVELOPING ACROSS THE BIG COUNTRY AS WELL. ALOFT...WATER VAPOR IMAGERY CONTINUES TO SHOW A TROUGH DIGGING SOUTHWARD ACROSS WEST TEXAS AND THE SOUTHERN ROCKIES. FOR TONIGHT...GIVEN THAT THE UPPER TROUGH CONTINUES TO DROP SOUTH... FRONT SHOULD CONTINUE TO MOVE SLOWLY SOUTHWARD. BEST CHANCES ACROSS THE SOUTHERN HALF OF THE AREA...WHERE CONVECTIVE BOUNDARIES WILL INTERSECT THE SOUTHWARD MOVING GRAVITY WAVES. HOWEVER...GIVEN THE MID LEVEL INSTABILITY AND SOME LIFT FROM THE TROUGH OUT WEST...WOULD NOT BE SURPRISED TO SEE A FEW MID LEVEL SHOWERS AND STORMS ELSEWHERE. WILL MENTION SOME POPS ACROSS THE ENTIRE AREA. FRONT LIKELY TO DISSIPATE OVERNIGHT...WITH WARM MOIST AIR SURGING BACK NORTHWEST. THETA E AXIS TO SET UP IN THE LOWER LEVELS...WHILE SLIGHTLY COLDER POOL ALOFT WITH THE UPPER TROUGH. MAY SEE ADDITIONAL DIURNAL CONVECTION WEDNESDAY AS WELL...WITH BEST CHANCES AGAIN ACROSS THE SOUTHEAST CLOSER TO THE DECAYING BOUNDARY. EXTENDED FORECAST WISE...UPPER RIDGE TO REDEVELOP SOMEWHAT FOR THE WEEKEND...BRINGING DRIER CONDITIONS. GIVEN THE NORTHWEST FLOW...WILL BE TOUGH TO GET TOO WARM AGAIN...SO READINGS SHOULD RETURN CLOSER TO SEASONAL VALUES. PRELIMS... ABI 067/092/065/092 21-0 SJT 069/092/065/093 21-0 JCT 068/090/065/091 3210 .SJT...NONE. 07 N
In the hours before
Special weather statement, Sep 12, 2:03 PM CDT, 5 hours 20 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-122300- WEST CENTRAL TEXAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 203 PM CDT TUE SEP 12 2000 ...THERE IS A SLIGHT RISK FOR SEVERE STORMS ACROSS WEST CENTRAL TEXAS THIS AFTERNOON AND EVENING... A WEAK COLD FRONT WILL MOVE SOUTHEAST INTO WEST CENTRAL TEXAS LATER THIS AFTERNOON AND EVENING. THE APPROACH OF THE FRONT INTO A VERY WARM AND UNSTABLE AIRMASS WILL TRIGGER SCATTERED STORMS. A FEW STORMS MAY BECOME SEVERE AND PRODUCE DEADLY LIGHTNING...WIND GUSTS TO 60 MPH...HAIL TO DIME SIZE AND BRIEF HEAVY RAIN. SPOTTER ACTIVATION MAY BE REQUIRED.. FOR THE SOUTHWEST TEXAS AND SOUTHEAST NEW MEXICO OUTLOOK SEE PRODUCT LBBSPSMAF. FOR THE SOUTH PLAINS OUTLOOK SEE PRODUCT LBBSPSLBB. FOR THE CENTRAL OKLAHOMA OUTLOOK SEE PRODUCT OKCSPSOKC. FOR THE NORTH TEXAS OUTLOOK SEE PRODUCT FTWSPSFTW. FOR THE SOUTH CENTRAL TEXAS OUTLOOK SEE PRODUCT SATSPSSAT. 19 N
Local storm report, Sep 12, 7:04 PM CDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
704 PM CDT TUE SEP 12 2000
TIME(CDT) .....CITY LOCATION..... STATE...EVENT/REMARKS...
....COUNTY LOCATION....
0450 PM MENARD TX FLOODING
09/12/00 MENARD WATER TO 4 INCH DEPTH
OVER FARM ROAD 2092
NThe office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 7:08 PM CDT | Severe Thunderstorm Warning | SJT | Jones | 52 min |
| Sep 12, 8:01 PM CDT | Tornado Warning | SJT | Fisher | 29 min |
| Sep 12, 8:08 PM CDT | Severe Thunderstorm Warning | SJT | Taylor | 37 min |
| Sep 12, 8:56 PM CDT | Severe Thunderstorm Warning | SJT | Taylor | 34 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000
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.