Alert archive / Texas / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 57, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 15, 2010, 1:54 AM CDT for Kinney County, Uvalde County, Texas. It was in force for 51 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
- May 15, 2010, 1:54 AM CDT (06:54 UTC)
- Expired
- May 15, 2010, 2:45 AM CDT
- In force
- 51 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
Counties Kinney County, TX, Uvalde County, TX
The radar
The Laughlin AFB radar (KDFX), 21 km from the middle of the area, began a volume at 06:54 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 00:00Z, 6.9 hours before the alert went out and 73 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
- 2798 J/kg
- Mixed-layer CIN
- -128 J/kg
- Mixed-layer LCL
- 887 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 321 m²/s²
- 0-3 km storm-relative helicity
- 624 m²/s²
- Significant tornado parameter
- 3.6
- Supercell composite
- 23.8
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 Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 15, 12:20 AM CDT, 1 hour 34 minutes earlier.
Area forecast discussion, May 15, 12:20 AM CDT, 1 hour 34 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1220 AM CDT SAT MAY 15 2010 .AVIATION... MVFR CONDITIONS WILL PREVAIL ACROSS THE I 35 TERMINALS TO AROUND 07Z/08Z. AFTERWARD...BRIEF IRF CONDITIONS ARE EXPECTED ACROSS SSF AND SAT SITES MAINLY DURING THE 10Z/14Z TIME PERIOD. SURFACE WINDS WILL CONTINUE FROM THE SOUTHEAST AT 10 TO 15 KNOTS DIMINISHING OVERNIGHT AND THEN INCREASING ONCE AGAIN SATURDAY AFTERNOON FROM 10 TO 20 KNOTS. && .PREV DISCUSSION... /ISSUED 920 PM CDT FRI MAY 14 2010/ UPDATE...A BAND OF THUNDERSTORMS STRETCHING ACROSS WEST CENTRAL TEXAS LATE THIS EVENING WILL BE PUSHING INTO THE HILL COUNTRY BEFORE MIDNIGHT. THIS BAND OF STORMS HAS A HISTORY OF PRODUCING SOME SMALL HAIL AND 30 TO 40 MPH WINDS ALONG ITS GUST FRONT. AT THE PRESENT IT SHOWS NO SIGN OF FALLING APART AND HAVE RAISED POPS FOR THE REMAINDER OF TONIGHT ACROSS THE HILL COUNTRY AND AFTER MIDNIGHT OVER MUCH OF THE REMAINDER OF SOUTH CENTRAL TEXAS. PREV DISCUSSION... /ISSUED 706 PM CDT FRI MAY 14 2010/ AVIATION... SHOWERS AND THUNDERSTORMS HAVE CLEARED THE I 35 CORRIDOR TERMINALS AS OF 7 PM. VFR CONDITIONS ARE EXPECTED TO PREVAIL TO AROUND 5Z. AFTERWARD...MVFR CONDITIONS ARE ANTICIPATED DUE TO LOW CEILINGS OVERNIGHT. THERE IS A CHANCE FOR BRIEF IFR AROUND 10Z/14Z. SURFACE WINDS WILL CONTINUE FROM THE SOUTHEAST AT 10 TO 15 KNOTS DIMINISHING OVERNIGHT AND THEN INCREASING ONCE AGAIN SATURDAY AFTERNOON FROM 10 TO 20 KNOTS. FOR SATURDAY EARLY EVENING...EXPECT SOME SHOWERS AND ISOLATED THUNDERSTORMS ACROSS THE I 35 TERMINALS. PREV DISCUSSION... /ISSUED 323 PM CDT FRI MAY 14 2010/ DISCUSSION... TWO AREAS OF CONCERN THIS AFTERNOON. THE FIRST ARE THE HEAVY RAINS ACROSS THE SRN/ERN CWA WHERE CONVECTION CONTINUES TO TRAIN NORTHWARD OVER THE OUTFLOW BOUNDARY...BUT A SLOW PROGRESSION EAST AND SOUTH WITH A STABLE RAIN COOLED AIR MASS IN ITS WAKE. WILL CANCEL PART OF THE FLASH FLOOD WATCH BUT CONTINUE UNTIL 7 PM FOR THE SOUTH AND EASTERN SECTIONS. THE SECOND AREA IS OUT WEST WITH STRONG HEATING OVER THE HIGHER TERRAIN IN NE MEXICO WILL PRODUCE ISOLATED SUPERCELLS THAT WILL CROSS THE RIO GRANDE IN THE NORTHWEST COUNTIES THIS AFTERNOON AND EVENING. ALTHOUGH THERE MAY BE A LULL IN CONVECTION LATER THIS EVENING... HAVE LEFT IN CHANCE POPS IN FOR THE OVERNIGHT HOURS AS OUTFLOW BOUNDARY IN ACROSS CENTRAL AND WEST TX COULD MAKES ITS WAY SOUTHWARD INTO THE CWA LATE TONIGHT AND EARLY SATURDAY. AIRMASS OVER S CENTRAL TX WILL RECOVER/DESTABILIZE LATE TONIGHT AS SELY LOW LEVEL FLOW RESUMES. WITH NEAR CLEAR CONSENSUS ON TIMING OF CONVECTION THIS WEEKEND FROM LATEST MODEL RUNS WILL CONTINUE CHANCE POPS THRU THE WEEKEND. A SERIES OF DISTURBANCES WILL LIFT OUT OF MEXICO AND ACROSS THE AREA WITH POSSIBLE SURFACE BOUNDARIES PROVIDING A FOCUS FOR HEAVY RAINFALL. THEREFORE PERIODS OF DESTABILIZATION AND ORGANIZED STRONG CONVECTION...BRIEFLY STABILIZING BEHIND THE MCS...BUT ISOLATED AIRMASS CONVECTION POSSIBLE IN THE TRANSITION PERIOD. WIDESPREAD AVERAGE RAIN TOTALS NEAR 1 INCH FOR THE WEEKEND...HOWEVER LOCALLY HEAVY AMOUNTS OF 3 TO 5 INCHES POSSIBLE...OR MORE SUCH AS THE NEAR 8 INCHES THAT OCCURRED AROUND MEDINA LAKE TODAY WITH THE TRAINING CELLS OVER ACROSS THE OUTFLOW BOUNDARY. WET PATTERN LOOKS TO CONTINUE INTO NEXT WEEK AND HAVE KEEP SLIGHT CHANCE TO CHANCE POPS AS SHORT WAVE ACTIVITY CONTINUES ROLL ACROSS TX. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 69 87 70 86 71 / 50 30 20 30 40 AUSTIN BERGSTROM INTL AIRPORT 69 87 70 87 69 / 50 30 20 30 30 NEW BRAUNFELS MUNI AIRPORT 68 87 70 88 69 / 50 30 20 30 30 BURNET MUNI AIRPORT 67 84 69 84 68 / 60 30 20 30 40 DEL RIO INTL AIRPORT 70 88 71 92 72 / 60 30 30 20 20 GEORGETOWN MUNI AIRPORT 68 85 69 84 71 / 50 30 20 30 40 HONDO MUNI AIRPORT 68 86 70 88 70 / 50 30 20 20 30 SAN MARCOS MUNI AIRPORT 69 87 70 88 71 / 50 30 20 30 30 LA GRANGE - FAYETTE REGIONAL 69 86 71 84 72 / 50 40 20 30 30 SAN ANTONIO INTL AIRPORT 68 86 71 88 72 / 50 30 20 30 30 STINSON MUNI AIRPORT 70 87 72 89 71 / 50 30 20 20 30 && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && 02/17
Hazardous weather outlook, May 14, 7:32 PM CDT, 6 hours 22 minutes before
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</html>In the hours before
Special weather statement, May 14, 9:21 PM CDT, 4 hours 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 921 PM CDT FRI MAY 14 2010 TXZ183-184-150345- EDWARDS-VAL VERDE- 921 PM CDT FRI MAY 14 2010 ...SIGNIFICANT WEATHER ADVISORY FOR EXTREME NORTHERN VAL VERDE AND NORTHWESTERN EDWARDS COUNTIES UNTIL 1045 PM CDT... AT 918 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A LINE OF STRONG THUNDERSTORM 7 MILES NORTHEAST OF SEGOVIA...OR 11 MILES EAST OF JUNCTION...MOVING SOUTHEASTWARD AT ABOUT 20 TO 30 MPH. SMALL HAIL SIZE AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. THE HEAVY RAIN MAY FLOOD LOW LYING AREAS SUCH AS DITCHES...LOW WATER CROSSINGS AND UNDERPASSES. DO NOT DRIVE YOUR VEHICLE ACROSS FLOODED ROADWAYS.
Special weather statement, May 14, 10:38 PM CDT, 3 hours 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1038 PM CDT FRI MAY 14 2010 TXZ183-184-150430- EDWARDS-VAL VERDE- 1038 PM CDT FRI MAY 14 2010 ...SIGNIFICANT WEATHER ADVISORY FOR VAL VERDE AND WESTERN EDWARDS COUNTIES UNTIL 1130 PM CDT... AT 1030 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 9 MILES NORTHEAST OF JUNO...MOVING SOUTHEAST AT 30 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... FLOUR MILLS... VINEGARONE...
Special weather statement, May 14, 11:25 PM CDT, 2 hours 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1125 PM CDT FRI MAY 14 2010 TXZ183-184-150530- EDWARDS-VAL VERDE- 1125 PM CDT FRI MAY 14 2010 ...SIGNIFICANT WEATHER ADVISORY FOR VAL VERDE AND WESTERN EDWARDS COUNTIES UNTIL 1230 AM CDT... AT 1121 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 10 MILES NORTHWEST OF FLOUR MILLS...OR 13 MILES NORTH OF LOMA ALTA...MOVING SOUTHEAST AT 25 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... LOMA ALTA... FLOUR MILLS... CARTA VALLEY... PAFFORD CROSSING... VINEGARONE... THE HEAVY RAIN MAY FLOOD LOW LYING AREAS SUCH AS DITCHES...LOW WATER CROSSINGS AND UNDERPASSES. DO NOT DRIVE YOUR VEHICLE ACROSS FLOODED ROADWAYS.
Local storm report, May 14, 11:28 PM CDT, 2 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1128 PM CDT FRI MAY 14 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1115 PM HAIL ROCKSPRINGS 30.02N 100.21W
05/14/2010 E0.25 INCH EDWARDS TX PUBLIC
SMALL HAIL AND WIND GUSTS TO 30 MPH
&&
EVENT NUMBER EWX1000256
SBSSpecial weather statement, May 14, 11:29 PM CDT, 2 hours 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1129 PM CDT FRI MAY 14 2010 TXZ217-228-150530- DIMMIT-MAVERICK- 1129 PM CDT FRI MAY 14 2010 ...SIGNIFICANT WEATHER ADVISORY FOR WESTERN DIMMIT AND MAVERICK COUNTIES UNTIL 1230 AM CDT... AT 1127 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 6 MILES SOUTHEAST OF EL INDIO...MOVING NORTHEAST AT 15 MPH. HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... FARIAS LAKE... THE HEAVY RAIN MAY FLOOD LOW LYING AREAS SUCH AS DITCHES...LOW WATER CROSSINGS AND UNDERPASSES. DO NOT DRIVE YOUR VEHICLE ACROSS FLOODED ROADWAYS.
Local storm report, May 14, 11:45 PM CDT, 2 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1145 PM CDT FRI MAY 14 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0600 PM FLASH FLOOD 1 N LACOSTE 29.32N 98.81W
05/14/2010 BEXAR TX LAW ENFORCEMENT
FM 471 AT MEDINA RIVER CLOSED DUE TO HIGH WATER
&&
EVENT NUMBER EWX1000257
SBSThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 9:36 PM CDT | River Flood Warning | EWX | Frio | 3 days |
| May 14, 11:22 PM CDT | River Flood Warning | EWX | Bexar | 3 hr |
| May 15, 12:15 AM CDT | Severe Thunderstorm Warning | EWX | Edwards | 45 min |
| May 15, 1:09 AM CDT | Flash Flood Watch | EWX | Atascosa, Bandera, Bexar, Blanco, Comal, Frio and 10 more | 5 hr |
| May 15, 1:43 AM CDT | Areal Flood Advisory | EWX | Bandera, Bastrop, Bexar, Blanco, Caldwell, Comal and 10 more | 107 min |
| May 15, 2:22 AM CDT | Flash Flood Warning | EWX | Bastrop, Bexar, Caldwell, Comal, Guadalupe, Hays and 1 more | 3 hr |
| May 15, 3:20 AM CDT | Flash Flood Warning | EWX | Bandera, Frio, Medina | 3 hr |
| May 15, 3:30 AM CDT | Flash Flood Warning | EWX | Atascosa, Fayette, Gonzales, Wilson | 3 hr |
| May 15, 4:55 AM CDT | Areal Flood Advisory | EWX | DeWitt, Karnes, Lavaca | 2 hr |
| May 15, 9:48 AM CDT | River Flood Warning | EWX | Bexar | 24 hr |
| May 15, 6:06 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 39 min |
| May 15, 6:20 PM CDT | Tornado Warning | EWX | Llano | 25 min |
| May 15, 6:43 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Llano | 20 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2010Every severe thunderstorm 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.