Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 89, NWS Austin/San Antonio, TX

May 27, 2009Maverick County, Uvalde County, Zavala County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 27, 2009, 8:12 PM CDT for Maverick County, Uvalde County, Zavala County, Texas. It was in force for 48 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 27, 2009, 8:12 PM CDT (01:12 UTC)
Expired: May 27, 2009, 9:00 PM CDT
In force: 48 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon

Counties Maverick County, TX, Uvalde County, TX, Zavala County, TX

The radar

The Laughlin AFB radar (KDFX), 51 km from the middle of the area, began a volume at 01:15 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.

What was reported inside it

Time	Report	Where	Remark
May 27, 8:37 PM CDT	HAIL 1.75	Crystal City, TX	FIRE DEPARTMENT REPORTED QUARTER TO GOLFBALL SIZE HAIL IN CRYSTAL CITY.
May 27, 8:45 PM CDT	HAIL 1.5	Crystal City, TX	PING PONG BALL SIZE HAIL AT THE HEB IN CRYSTAL CITY.
May 27, 8:50 PM CDT	HAIL 1.75	2 Sse Crystal City, TX	RPT ON CYPRESS AVE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this severe thunderstorm warning; the first came 25 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 1.2 hours before the alert went out and 103 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: 2161 J/kg
Mixed-layer CIN: -100 J/kg
Mixed-layer LCL: 1803 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KEWX 280112
SVREWX
TXC323-463-507-280200-
/O.NEW.KEWX.SV.W.0089.090528T0112Z-090528T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
812 PM CDT WED MAY 27 2009

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MAVERICK COUNTY...
  EXTREME SOUTH CENTRAL UVALDE COUNTY...
  WESTERN ZAVALA COUNTY...

* UNTIL 900 PM CDT.

* AT 809 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 14 MILES WEST OF
  LA PRYOR. THIS STORM WAS NEARLY STATIONARY. TWO OTHER SEVERE
  THUNDERSTORMS WERE LOCATED 5 MILES NORTHEAST OF LA PRYOR AND 5 
  MILES NORTH OF CRYSTAL CITY.  THESE STORMS WERE ALSO NEARLY 
  STATIONARY.

* SOME LOCATIONS IN THE WARNING INCLUDE WASHER...CRYSTAL CITY AND
  BATESVILLE.

LAT...LON 2909 9985 2902 9957 2863 9979 2888 10020
      2902 10011
TIME...MOT...LOC 0110Z 284DEG 2KT 2895 10008

$$

3 follow-up statements

000 
WWUS54 KEWX 280126
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
826 PM CDT WED MAY 27 2009

TXC323-463-507-280200-
/O.CON.KEWX.SV.W.0089.000000T0000Z-090528T0200Z/
UVALDE TX-ZAVALA TX-MAVERICK TX-
826 PM CDT WED MAY 27 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR MAVERICK...WESTERN ZAVALA AND EXTREME SOUTH CENTRAL UVALDE
COUNTIES...

AT 823 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 14 MILES WEST OF 
LA PRYOR...MOVING SOUTH AT 5 TO 10 MPH. ANOTHER SEVERE THUNDERSTORM 
JUST NORTH OF CRYSTAL CITY IS MOVING SOUTH AT 5 MPH AND COULD ALSO
PRODUCE GOLF BALL HAIL AND DAMAGING WINDS OVER CRYSTAL CITY THROUGH 
845 PM.  A THIRD SEVERE THUNDERSTORM IS WEAKENING BUT STILL COULD 
PRODUCE STRONG WINDS TO 55 MPH OVER AREAS JUST NORTH OF LA PRYOR.

LAT...LON 2888 10020 2902 10011 2909 9985 2902 9957
      2863 9979
TIME...MOT...LOC 0124Z 348DEG 7KT 2890 10007

$$

000 
WWUS54 KEWX 280137
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
837 PM CDT WED MAY 27 2009

280146-
/O.CAN.KEWX.SV.W.0089.000000T0000Z-090528T0200Z/

837 PM CDT WED MAY 27 2009

...THE SEVERE THUNDERSTORM WARNING FOR IS CANCELLED...

LAT...LON 2891 10007 2895 9994 2888 9966 2863 9979
      2865 9981 2886 10017
TIME...MOT...LOC 0136Z 348DEG 7KT 2867 9980

$$

TXC323-507-280200-
/O.CON.KEWX.SV.W.0089.000000T0000Z-090528T0200Z/
ZAVALA TX-MAVERICK TX-
837 PM CDT WED MAY 27 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR MAVERICK AND SOUTHWESTERN ZAVALA COUNTIES...

AT 831 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE 
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER CRYSTAL 
CITY...ALONG WITH BASEBALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS 
OF 60 MPH.  THIS STORM NEAR CRYSTAL CITY IS MOVING SOUTH AT 10 MPH.

ANOTHER SEVERE THUNDERSTORM WILL MOVE SOUTH AT 10 MPH OVER RURAL 
PARTS OF WESTERN ZAVALA COUNTY. THIS STORM COULD PRODUCE GOLF BALL 
HAIL AND DAMAGING WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE ARE VERY DANGEROUS STORMS. IF YOU ARE IN THIER PATHS...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD 
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A 
SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 2891 10007 2895 9994 2888 9966 2863 9979
      2865 9981 2886 10017
TIME...MOT...LOC 0136Z 348DEG 7KT 2867 9980

$$

000 
WWUS54 KEWX 280140 CCA
SVSEWX

SEVERE WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
837 PM CDT WED MAY 27 2009

TXC323-507-280200-
/O.COR.KEWX.SV.W.0089.000000T0000Z-090528T0200Z/
ZAVALA TX-MAVERICK TX-
837 PM CDT WED MAY 27 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT 
FOR MAVERICK AND SOUTHWESTERN ZAVALA COUNTIES...

AT 831 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE 
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER CRYSTAL 
CITY...ALONG WITH BASEBALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS 
OF 60 MPH.  THIS STORM NEAR CRYSTAL CITY IS MOVING SOUTH AT 10 MPH.

ANOTHER SEVERE THUNDERSTORM WILL MOVE SOUTH AT 10 MPH OVER RURAL 
PARTS OF WESTERN ZAVALA COUNTY. THIS STORM COULD PRODUCE GOLF BALL 
HAIL AND DAMAGING WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE ARE VERY DANGEROUS STORMS. IF YOU ARE IN THIER PATHS...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD 
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A 
SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 2891 10007 2895 9994 2888 9966 2863 9979
      2865 9981 2886 10017
TIME...MOT...LOC 0137Z 348DEG 7KT 2867 9980

$$

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 27, 6:26 PM CDT, 1 hour 46 minutes earlier.

Area forecast discussion, May 27, 6:26 PM CDT, 1 hour 46 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
626 PM CDT WED MAY 27 2009

.DISCUSSION...
SEE AVIATION FOR 00Z TAF DISCUSSION.

&&

.AVIATION...
SHOWERS AND THUNDERSTORMS ARE ONGOING ACROSS THE HILL COUNTRY AND
EDWARDS PLATEAU. THESE STORMS ARE OCCURRING AND REGENERATING ON
OUTFLOW BOUNDARIES. THUS THE MOVEMENT OF THESE STORMS THIS EVENING
ARE ERRATIC MAKING TIMING OF TERMINAL IMPACT DIFFICULT. BASED ON
CURRENT DEVELOPMENT/TRENDS CONVECTION WILL IMPACT KSAT AND KSSF
02Z-04Z AND KAUS 04Z-06Z. OTHERWISE VFR CONDITIONS WILL PREVAIL
WITH MVFR CONDITIONS IN AND NEAR SHOWERS AND THUNDERSTORMS.
CONVECTIVE REDEVELOPMENT IS POSSIBLE THURSDAY AFTERNOON SO HAVE
INCLUDED A PROB30 GROUP FOR KSAT...KSSF AND KAUS.

&&

.PREV DISCUSSION... /ISSUED 303 PM CDT WED MAY 27 2009/

DISCUSSION...
THIS AFTERNOON THE AIRMASS ACROSS THE WESTERN HALF OF SOUTH CENTRAL
TEXAS HAS RECOVERED WITH SHOWERS AND THUNDERSTORMS DEVELOPING ACROSS
EDWARDS COUNTY. OTHER SHOWERS AND THUNDERSTORMS WERE ALSO FIRING
ACROSS NORTHEAST MEXICO. THE GFS ONCE AGAIN DEVELOPS A CONVECTIVE
COMPLEX ACROSS NORTHEAST MEXICO AND ADJACENT REGIONS OF SOUTH
CENTRAL TEXAS THIS EVENING  THESE STORMS WILL MOVE EASTWARD
TONIGHT INTO THURSDAY ACROSS SOUTH CENTRAL TEXAS. THERE IS A
SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON INTO THIS
EVENING ACROSS THE WESTERN HILL COUNTRY...EDWARDS PLATEAU AND RIO
GRANDE PLAINS. THE LOCATION OF SHOWERS AND THUNDERSTORMS ON
THURSDAY WILL BE DEPENDENT ON THE EVOLUTION OF THE OVERNIGHT MCS.
SO WILL SHOTGUN 30% POPS ACROSS THE CWFA FOR THURSDAY.

WILL GO WITH A DRY FORECAST ON FRIDAY WITH SILENT 10% POPS. THE
UPPER LEVEL RIDGE MAY BE STRONG ENOUGH TO SUPPRESS CONVECTION.
AFTERNOON TEMPS WILL RUN A COUPLE OF DEGREES ABOVE NORMAL. THE
WARM AND DRY WEATHER PATTERN WILL CONTINUE INTO SATURDAY. ON SUNDAY
A FEW STORMS THAT DEVELOP ACROSS NORTHEAST MEXICO MAY MAKE A RUN
TO THE BORDER SUNDAY EVENING...SO HAVE INCLUDED LOW POPS ACROSS
OUR SOUTHWEST COUNTIES.

THE FIRST HALF OF NEXT WEEK THE PCPN PATTERN WILL CHANGE WITH
SEA-BREEZE DEVELOPMENT BEING THE PRIMARY FOCUS FOR CONVECTION.
THUS WILL HAVE LOW POPS MAINLY ALONG AND EAST OF THE I-35
CORRIDOR EACH AFTERNOON MONDAY THROUGH WEDNESDAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY              68  90  65  91  67 /  10  30  10  10  -
AUSTIN BERGSTROM INTL AIRPORT  65  89  64  90  63 /  10  30  10  10  -
NEW BRAUNFELS MUNI AIRPORT     67  89  65  91  65 /  10  30  10  10  -
BURNET MUNI AIRPORT            65  88  63  90  65 /  10  30  10  10  -
DEL RIO INTL AIRPORT           68  91  70  92  70 /  40  40  20  10  10
GEORGETOWN MUNI AIRPORT        65  88  64  91  66 /  10  30  10  10  -
HONDO MUNI AIRPORT             66  90  65  89  66 /  20  40  20  10  10
SAN MARCOS MUNI AIRPORT        67  89  65  90  65 /  10  30  10  10  -
LA GRANGE - FAYETTE REGIONAL   68  88  64  89  65 /  10  30  10  10  -
SAN ANTONIO INTL AIRPORT       69  89  68  90  67 /  20  30  20  10  -
STINSON MUNI AIRPORT           68  90  67  90  67 /  20  30  20  10  -

&&

.EWX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

02/13

Hazardous weather outlook, May 27, 3:40 PM CDT, 4 hours 32 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
340 PM CDT WED MAY 27 2009

TXZ171>173-183>194-202>209-217>225-228-281600-
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
340 PM CDT WED MAY 27 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...THIS EVENING AND TONIGHT...
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON
THROUGH THIS EVENING ACROSS THE EDWARDS PLATEAU AND RIO GRANDE
PLAINS. THE SEVERE WEATHER THREATS WILL BE LARGE HAIL AND
DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING.

In the hours before

Local storm report, May 27, 7:20 PM CDT, 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
720 PM CDT WED MAY 27 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0450 PM     HAIL             2 NW BOERNE             29.82N  98.76W
05/27/2009  E4.00 INCH       KENDALL            TX   PUBLIC

            SMASHED WINDOWS AND DENTED METAL ROOF IN BOERNE FROM
            GRAPEFRUIT SIZE HAIL.

&&

EVENT NUMBER 00624

CJM

Local storm report, May 27, 7:54 PM CDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
754 PM CDT WED MAY 27 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0447 PM     HAIL             5 NW BOERNE             29.85N  98.80W
05/27/2009  E1.75 INCH       KENDALL            TX   PUBLIC

            WEB REPORT FROM THE PUBLIC OF WINDOWS BROKEN FROM
            GOLFBALL SIZE HAIL IN BOERNE.

&&

EVENT NUMBER 00625

CJM

Special weather statement, May 27, 7:54 PM CDT, 18 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
754 PM CDT WED MAY 27 2009

TXZ183-184-280200-
EDWARDS-VAL VERDE-
754 PM CDT WED MAY 27 2009

...A STRONG THUNDERSTORM WAS AFFECTING EDWARDS AND VAL VERDE
COUNTIES...

AT 754 PM CDT...NWS METEOROLOGISTS ARE TRACKING A STRONG THUNDERSTORM
6 MILES WEST OF LOMA ALTA...MOVING EAST AT 20 MPH.

PEOPLE IN VAL VERDE AND WESTERN EDWARDS COUNTIES...INCLUDING THE
FOLLOWING LOCATIONS...LOMA ALTA AND FLOUR MILLS...SHOULD MONITOR THE
WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE
PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

MARBLE SIZE HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM.

Local storm report, May 27, 7:57 PM CDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
757 PM CDT WED MAY 27 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0547 PM     HAIL             5 NW BOERNE             29.85N  98.80W
05/27/2009  E1.75 INCH       KENDALL            TX   PUBLIC

            WEB REPORT FROM THE PUBLIC OF WINDOWS BROKEN FROM
            GOLFBALL SIZE HAIL IN BOERNE.

&&

CORRECTED EVENT TIME

EVENT NUMBER 00625

CJM

Special weather statement, May 27, 7:57 PM CDT, 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
757 PM CDT WED MAY 27 2009

TXZ203-204-217>219-280200-
FRIO-MAVERICK-MEDINA-UVALDE-ZAVALA-
757 PM CDT WED MAY 27 2009

...NUMEROUS STRONG THUNDERSTORMS WERE AFFECTING FRIO...MAVERICK...
MEDINA...UVALDE AND ZAVALA COUNTIES...

AT 754 PM CDT...NWS METEOROLOGISTS ARE TRACKING A SEVERAL STRONG
THUNDERSTORMS ALONG AND 30 MILES SOUTH OF HIGHWAY 90 FROM THE
UVALDE-KINNEY COUNTY LINE TO NEAR HONDO. MOST OF THESE STORMS WERE
MOVING SOUTHEAST AT 5 TO 15 MPH.

PEOPLE IN NORTHERN MAVERICK...NORTHWESTERN FRIO...SOUTHERN UVALDE...
SOUTHWESTERN MEDINA AND ZAVALA COUNTIES...INCLUDING THE FOLLOWING
LOCATIONS...BATESVILLE...SHOULD MONITOR THE WEATHER SITUATION
CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO TAKE
APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

MARBLE SIZE HAIL...AND WINDS 50 MPH ARE EXPECTED WITH THIS STORM.

Local storm report, May 27, 8:04 PM CDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
804 PM CDT WED MAY 27 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0758 PM     HAIL             10 S DHANIS            29.18N  99.28W
05/27/2009  E0.25 INCH       MEDINA             TX   PUBLIC

            PUBLIC REPORTED PEA SIZE HAIL ALONG FM 2200 BETWEEN
            DHANIS AND YANCEY.

&&

EVENT NUMBER 00626

CJM

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 27, 7:00 PM CDT	Flash Flood Warning	EWX	Bandera, Medina, Uvalde	3 hr
May 27, 7:11 PM CDT	Severe Thunderstorm Warning	EWX	Edwards	49 min
May 27, 7:19 PM CDT	Severe Thunderstorm Warning	EWX	Edwards	41 min
May 27, 8:21 PM CDT	Flash Flood Warning	EWX	Zavala	3 hr
May 27, 8:32 PM CDT	Tornado Warning	EWX	Dimmit, Zavala	43 min
May 27, 8:47 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Maverick, Zavala	48 min
May 27, 8:50 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	40 min
May 27, 8:56 PM CDT	Severe Thunderstorm Warning	EWX	Frio	64 min
May 27, 9:07 PM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Zavala	38 min
May 27, 9:09 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	36 min
May 27, 9:27 PM CDT	Areal Flood Advisory	EWX	Frio	2 hr
May 27, 11:18 PM CDT	Areal Flood Advisory	EWX	Kinney, Val Verde	3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2009 Every severe thunderstorm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.