Alert archive / Texas / Flash Flood Warnings in 2010

Flash Flood Warning 9, NWS San Angelo, TX

June 2, 20105 counties in Texas

NWS San Angelo, TX issued this flash flood warning at Jun 2, 2010, 4:02 PM CDT for 5 counties in Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 2, 2010, 4:02 PM CDT (21:02 UTC)
Expired: Jun 2, 2010, 7:00 PM CDT
In force: 3 hr
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Flood severity: None

Counties Brown County, TX, Coleman County, TX, Mason County, TX, McCulloch County, TX, San Saba County, TX

The radar

The San Angelo radar (KSJT), 126 km from the middle of the area, began a volume at 21:04 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, 9.0 hours before the alert went out and 270 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 3753 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 520 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 153 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 7.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Jun 2, 3:22 PM CDT, 40 minutes earlier.

Area forecast discussion, Jun 2, 3:22 PM CDT, 40 minutes before

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Hazardous weather outlook, Jun 2, 2:16 PM CDT, 1 hour 46 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
216 PM CDT WED JUN 2 2010

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-031930-
FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO-
CROCKETT-SCHLEICHER-SUTTON-HASKELL-THROCKMORTON-JONES-SHACKELFORD-
TAYLOR-CALLAHAN-COLEMAN-BROWN-MCCULLOCH-SAN SABA-MENARD-KIMBLE-
MASON-
216 PM CDT WED JUN 2 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT
SCATTERED THUNDERSTORMS WILL REDEVELOP ACROSS MUCH OF WEST CENTRAL
TEXAS THIS AFTERNOON AND CONTINUE INTO TONIGHT...AS A WEAK UPPER
LEVEL STORM SYSTEM DRIFTS ACROSS THE REGION. ALTHOUGH WIDESPREAD
SEVERE WEATHER IS NOT EXPECTED...A FEW STORMS MAY PRODUCE SMALL
HAIL...BRIEF HEAVY RAINFALL...AND DANGEROUS LIGHTNING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

HOT CONDITIONS WILL TAKE OVER ACROSS WEST CENTRAL TEXAS FOR THE
WEEKEND AND INTO NEXT WEEK...WITH READINGS CLIMBING TO NEAR OR OVER
THE 100 DEGREE MARK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Local storm report, Jun 2, 3:28 PM CDT, 34 minutes before

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Local storm report, Jun 2, 3:35 PM CDT, 27 minutes before

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Local storm report, Jun 2, 3:48 PM CDT, 14 minutes before

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Local storm report, Jun 2, 3:50 PM CDT, 12 minutes before

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Local storm report, Jun 2, 3:56 PM CDT, 6 minutes before

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Local storm report, Jun 2, 3:59 PM CDT, 3 minutes before

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The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 2, 2:56 PM CDT	Severe Thunderstorm Warning	SJT	Brown, McCulloch, San Saba	64 min
Jun 2, 3:04 PM CDT	Severe Thunderstorm Warning	SJT	Concho, McCulloch, Menard	26 min
Jun 2, 3:07 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Irion, Sterling, Tom Green	23 min
Jun 2, 3:30 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Irion, Sterling, Tom Green	45 min
Jun 2, 3:38 PM CDT	Severe Thunderstorm Warning	SJT	Coleman, McCulloch, Menard, San Saba	37 min
Jun 2, 3:41 PM CDT	Areal Flood Advisory	SJT	Coke, Irion, Sterling, Tom Green	2 hr
Jun 2, 3:56 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, Mason, Menard	34 min
Jun 2, 3:58 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, San Saba	47 min
Jun 2, 4:07 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Tom Green	38 min
Jun 2, 4:16 PM CDT	Areal Flood Advisory	SJT	Mason	119 min
Jun 2, 4:22 PM CDT	Severe Thunderstorm Warning	SJT	Taylor	23 min
Jun 2, 4:26 PM CDT	Areal Flood Advisory	SJT	Taylor	109 min
Jun 2, 4:45 PM CDT	Areal Flood Advisory	SJT	Brown, Callahan	2 hr
Jun 2, 4:46 PM CDT	Severe Thunderstorm Warning	SJT	Taylor	29 min
Jun 2, 4:46 PM CDT	Severe Thunderstorm Warning	SJT	Concho	37 min
Jun 2, 4:55 PM CDT	Severe Thunderstorm Warning	SJT	San Saba	35 min
Jun 2, 5:21 PM CDT	Severe Thunderstorm Warning	SJT	Kimble	24 min
Jun 2, 5:24 PM CDT	Areal Flood Advisory	SJT	Coleman	111 min
Jun 2, 5:42 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard	48 min
Jun 2, 6:09 PM CDT	Areal Flood Advisory	SJT	Brown	81 min
Jun 2, 6:22 PM CDT	Areal Flood Advisory	SJT	Fisher	83 min
Jun 2, 6:26 PM CDT	Severe Thunderstorm Warning	SJT	Kimble	34 min
Jun 2, 6:53 PM CDT	Severe Thunderstorm Warning	SJT	Sutton	22 min
Jun 2, 6:58 PM CDT	Areal Flood Advisory	SJT	McCulloch	2 hr

Nearby

Flash Flood Warnings in Texas, 2010 Every flash flood warning in 2010

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.