Alert archive / Texas / Tornado Watches in 2008
Tornado Watch 732
The Storm Prediction Center issued this tornado watch at Jul 22, 2008, 10:27 PM CDT for 7 counties in Texas. It was in force for 11 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 22, 2008, 10:27 PM CDT (03:27 UTC)
- Expired
- Jul 23, 2008, 9:45 AM CDT
- In force
- 11 hr
- Issued by
- the Storm Prediction Center
- Strongest gust expected
- 60 kt
Counties Brooks County, TX, Cameron County, TX, Hidalgo County, TX, Kenedy County, TX, Kleberg County, TX, Nueces County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 92 km from the middle of the area, began a volume at 03:28 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 10%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 30%
Warnings issued inside it
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 11:14 PM CDT | Tornado Warning | BRO | Cameron | 16 min |
| Jul 22, 11:30 PM CDT | Tornado Warning | BRO | Cameron | 15 min |
| Jul 23, 6:45 AM CDT | Tornado Warning | BRO | Cameron, Hidalgo, Willacy | 30 min |
| Jul 23, 7:10 AM CDT | Tornado Warning | BRO | Cameron, Hidalgo, Willacy | 17 min |
| Jul 23, 9:18 AM CDT | Tornado Warning | CRP | Nueces | 10 min |
| Jul 23, 9:39 AM CDT | Tornado Warning | CRP | Nueces, San Patricio | 36 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 00:00Z, 3.5 hours before the alert went out and 95 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
- 2229 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 230325
SEL2
SPC WW 230325
TXZ000-CWZ000-231500-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 732
NWS STORM PREDICTION CENTER NORMAN OK
1025 PM CDT TUE JUL 22 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
DEEP SOUTH TEXAS
COASTAL WATERS
EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1025 PM
UNTIL 1000 AM CDT.
TORNADOES...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS
LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 40 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTHEAST OF MCALLEN
TEXAS TO 10 MILES EAST OF CORPUS CHRISTI TEXAS. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU2).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 730...WW 731...
DISCUSSION...RAIN BANDS ASSOCIATED WITH LAND FALLING HURRICANE DOLLY
WILL INCREASE ACROSS DEEP SOUTH TX OVERNIGHT AND EARLY WEDNESDAY
MORNING. ASSOCIATED THREAT OF WATERSPOUTS/TORNADOES WILL LIKEWISE
INTENSIFY DURING THE NIGHT.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME
TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI
WITH MAXIMUM TOPS TO 600. MEAN STORM MOTION VECTOR 03040.
...EVANSSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 6:56 AM CDT | Mesoscale Discussion | SPC | Calhoun, Cameron, Hidalgo, Kenedy, Matagorda, Willacy | 94 min |
| Jul 23, 9:00 AM CDT | Mesoscale Discussion | SPC | Aransas, Bee, Brooks, Calhoun, Cameron, Goliad and 12 more | 60 min |
| Jul 23, 9:39 AM CDT | Tornado Watch | SPC | Aransas, Bee, Brazoria, Brooks, Calhoun, Cameron and 20 more | 113 min |
| Jul 23, 11:27 AM CDT | Tornado Watch | SPC | Aransas, Bee, Brooks, Calhoun, Cameron, DeWitt and 19 more | 8 hr |
| Jul 23, 1:28 PM CDT | Mesoscale Discussion | SPC | Aransas, Bee, Brooks, Calhoun, Cameron, DeWitt and 16 more | 2 hr |
| Jul 23, 3:52 PM CDT | Mesoscale Discussion | SPC | Aransas, Bee, Brooks, Calhoun, DeWitt, Duval and 14 more | 113 min |
| Jul 23, 5:38 PM CDT | Mesoscale Discussion | SPC | Aransas, Atascosa, Bee, Brooks, Calhoun, Duval and 15 more | 97 min |
Nearby
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.