Alert archive / Texas / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 76, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Apr 25, 2006, 4:52 PM CDT for Brown County, Texas. It was in force for 38 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 25, 2006, 4:52 PM CDT (21:52 UTC)
- Expired
- Apr 25, 2006, 5:30 PM CDT
- In force
- 38 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Brown County, TX
The radar
The Dyess AFB radar (KDYX), 88 km from the middle of the area, began a volume at 21:54 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 nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 9.9 hours before the alert went out and 320 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
- 1866 J/kg
- Mixed-layer CIN
- -326 J/kg
- Mixed-layer LCL
- 1057 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 190 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 Apr 25, 1:39 PM CDT, 3 hours 13 minutes earlier.
Area forecast discussion, Apr 25, 1:39 PM CDT, 3 hours 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 139 PM CDT TUE APR 25 2006 .SHORT TERM...FRONT NOW TO THE SOUTH OF THE FORECAST AREA. SOME OVERRUNNING RESULTING IN CLOUDS ACROSS THE AREA THIS AFTERNOON. STILL A SLIM CHANCE OF SHOWERS AND PERHAPS A THUNDERSTORMS CLOSER TO THE FRONT...GENERAL SOUTH OF I-10. WILL REMAIN COOL THROUGH WEDNESDAY. STRONG UPPER LEVEL SYSTEM CURRENTLY DROPPING SOUTH ALONG THE WEST COAST...MAY BEGIN TO INFLUENCE THE WEATHER LATE IN THE SHORT TERM PERIOD IN THE FORM OF INCREASING SOUTH WINDS AND MOISTURE. .LONG TERM...BIGGEST CHALLENGE IN THE LONG TERM PERIOD WILL THE APPROACHING UPPER LEVEL SYSTEM. MODELS ARE TRYING TO LOCK INTO A SOLUTION...BUT STILL SOME DIFFERENCES IN PLACEMENT WITH THE DIFFERENT MODEL SOLUTIONS. THE GFS IS A LITTLE SLOWER AND THE NAM IS A LITTLE FASTER WITH THE UPPER LOW. THE PARALELL NAM/WRF HAS THE POSITION GOING WELL TO THE SOUTH IN MEXICO...AND WILL CURRENTLY DISCOUNT THIS SOLUTION. WITH THE GFS TRENDING SLOWER...WILL COMPROMISE BETWEEN THE NAM AND GFS SOLUTIONS...AS THESE TYPES OF SYSTEM DO TEND TO SLOW DOWN AS THE EVENT APPROACHES. SO WITH THAT IN MIND WILL TREND POPS DOWN SOME THROUGHOUT. WITH THE MOST WIDESPREAD PRECIPITATION LOOKING TO BE FRIDAY INTO SATURDAY. THE TRICK IS INDIVIDUAL SHORTWAVES EJECTING OUT OF THE UPPER LOW WILL BE DIFFICULT TO TIME AND LEADS TO CONFIDENCE ISSUES. SO RAIN IS LIKELY OVER MOST OF THE AREA AT SOME POINT FROM THURSDAY NIGHT INTO SUNDAY...TIMING THE 12 HOUR POP IS A LITTLE MORE PROBLEMATIC AT THIS POINT. SO FAR THIS SPRING...HAVE SHOWN LITTLE SKILL IN FORECASTING WARM FRONTAL PLACEMENT THIS FAR IN ADVANCE...WITH THAT SAID...CURRENT FORECAST SHOWS WARM FRONT WILL BE IN THE AREA WITH A TRIPLE POINT LOCATED JUST TO THE WEST OF THE FRIDAY AFTERNOON AND WILL CONTINUE TO CARRY CHANCE POPS THROUGH THAT PERIOD. CAPE AND SHEAR VALUES ARE MORE THAN SUFFICIENT FOR SEVERE THUNDERSTORMS OFF THE NAM FRIDAY INTO SATURDAY...BUT AGAIN CLOUDS AND WARM FRONTAL PLACEMENT WILL BE THE KEY. THINGS DRY UP AFTER SUNDAY WITH TEMPERATURES STARTING TO CLIMB ONCE AGAIN. BRAZZELL && .PRELIMINARY POINT TEMPS/POPS... ABILENE 45 70 51 77 / 10 0 0 10 SAN ANGELO 49 74 53 80 / 10 10 0 10 JUNCTION 54 75 53 79 / 20 10 0 10 && .SJT WATCHES/WARNINGS/ADVISORIES... NONE. && 27/27
Hazardous weather outlook, Apr 25, 2:01 PM CDT, 2 hours 51 minutes before
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</html>In the hours before
Special weather statement, Apr 25, 4:20 PM CDT, 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 420 PM CDT TUE APR 25 2006 TXZ139-140-252215- COLEMAN TX-BROWN TX- 420 PM CDT TUE APR 25 2006 ...SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 515 PM CDT FOR COLEMAN AND BROWN COUNTIES... AT 417 PM CDT...A STRONG THUNDERSTORM WAS INDICATED BY NATIONAL WEATHER SERVICE DOPPLER RADAR 5 MILES WEST OF COLEMAN...MOVING NORTHEAST AT 25 MPH. * THE STRONG THUNDERSTORM WILL BE NEAR... ECHO BY 440 PM CDT BURKETT BY 455 PM CDT CROSS CUT BY 510 PM CDT US-183 NEAR THE BROWN-EASTLAND COUNTY LINE...LAKE BROWNWOOD NEAR BYRDS STORE AND MAY BY 515 PM CDT PEA SIZE HAIL AND WIND GUSTS TO 50 MPH ARE LIKELY WITH THIS STORM...ALONG WITH DANGEROUS CLOUD TO GROUND LIGHTNING. HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON ROADWAYS...ESPECIALLY IN POOR DRAINAGE AREAS. RESIDENTS ARE ENCOURAGED TO MONITOR THE SITUATION CLOSELY AND BE PREPARED TO TAKE THE PROPER ACTIONS SHOULD A WARNING BE ISSUED.
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 7:44 PM CDT | Severe Thunderstorm Warning | SJT | Crockett | 46 min |
| Apr 24, 8:30 PM CDT | Severe Thunderstorm Warning | SJT | Crockett, Sutton | 30 min |
| Apr 25, 4:41 PM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 34 min |
| Apr 25, 4:45 PM CDT | Severe Thunderstorm Warning | SJT | Brown, Coleman | 30 min |
| Apr 25, 5:11 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 49 min |
| Apr 25, 5:20 PM CDT | Severe Thunderstorm Warning | SJT | Concho, Tom Green | 55 min |
| Apr 25, 5:53 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 27 min |
| Apr 25, 6:09 PM CDT | Severe Thunderstorm Warning | SJT | Coleman, Concho | 51 min |
| Apr 25, 6:40 PM CDT | Severe Thunderstorm Warning | SJT | Coleman, McCulloch | 40 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2006Every severe thunderstorm warning in 2006
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.