Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 102, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jul 18, 2012, 6:52 PM CDT for Kinney County, Maverick 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 outline as issued.
The facts
- Issued
- Jul 18, 2012, 6:52 PM CDT (23:52 UTC)
- Expired
- Jul 18, 2012, 7:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
Counties Kinney County, TX, Maverick County, TX
The radar
The Laughlin AFB radar (KDFX), 40 km from the middle of the area, began a volume at 23:55 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, 11.9 hours before the alert went out and 71 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
- 1838 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 879 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- -29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
765 WUUS54 KEWX 182352 SVREWX TXC271-323-190030- /O.NEW.KEWX.SV.W.0102.120718T2352Z-120719T0030Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 652 PM CDT WED JUL 18 2012 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN KINNEY COUNTY... MAVERICK COUNTY... * UNTIL 730 PM CDT. * AT 645 PM CDT...NWS METEOROLOGISTS HAVE DETECTED A STRONG THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 17 MILES EAST OF PALOMA...OR 21 MILES EAST OF EAGLE PASS...AND MOVING NORTHWEST AT ABOUT 20 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE DARLING. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...LARGE 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 2893 10055 2917 10022 2881 10011 2872 10020 TIME...MOT...LOC 2349Z 142DEG 15KT 2882 10018 $$
1 follow-up statement
638 WWUS54 KEWX 190008 SVSEWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 708 PM CDT WED JUL 18 2012 TXC271-190017- /O.CAN.KEWX.SV.W.0102.000000T0000Z-120719T0030Z/ KINNEY TX- 708 PM CDT WED JUL 18 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KINNEY COUNTY IS CANCELLED... LAT...LON 2893 10055 2907 10033 2891 10021 2880 10033 TIME...MOT...LOC 0007Z 136DEG 20KT 2894 10040 $$ TXC323-190030- /O.CON.KEWX.SV.W.0102.000000T0000Z-120719T0030Z/ MAVERICK TX- 708 PM CDT WED JUL 18 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR MAVERICK COUNTY... AT 700 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING UP TO QUARTER SIZE HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR PALOMA... OR 16 MILES NORTHEAST OF EAGLE PASS...MOVING NORTHWEST AT 25 MPH. SOME LOCATIONS IN THE WARNING AREA INCLUDE DARLING. LAT...LON 2893 10055 2907 10033 2891 10021 2880 10033 TIME...MOT...LOC 0007Z 136DEG 20KT 2894 10040 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 3:06 PM CDT | Areal Flood Advisory | EWX | Bexar | 114 min |
| Jul 18, 3:32 PM CDT | Flash Flood Warning | EWX | Atascosa, Bexar | 118 min |
| Jul 18, 5:40 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 50 min |
| Jul 18, 6:45 PM CDT | Areal Flood Advisory | EWX | Zavala | 105 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2012Every severe thunderstorm warning in 2012
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.