Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 237, NWS Midland/Odessa, TX

June 12, 1999Scurry County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Jun 12, 1999, 1:00 AM CDT for Scurry County, Texas. It was in force for 60 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
Jun 12, 1999, 1:00 AM CDT (06:00 UTC)
Expired
Jun 12, 1999, 2:00 AM CDT
In force
60 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Scurry County, TX

The radar

The Lubbock radar (KLBB), 131 km from the middle of the area, began a volume at 06:01 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 11, 8:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 6.0 hours before the alert went out and 150 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-pSkew-T log-p diagram, Midland Regional, TX at 00:00Z on 1999-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1134 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 1999-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1134 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
2221 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Midland/Odessa, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 9:00 PM CDT, 4 hours earlier.

Area forecast discussion, Jun 11, 9:00 PM CDT, 4 hours before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND TX
900 PM CDT FRI JUN 11 1999

UNFORTUNATELY I MUST FORGO THE ISSUANCE OF AFD THIS EVENING DUE TO
ONGOING CONVECTION.

DJK

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 7:29 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos61 min
Jun 11, 8:11 PM CDTSevere Thunderstorm WarningMAFBorden49 min
Jun 11, 8:42 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos48 min
Jun 11, 8:51 PM CDTSevere Thunderstorm WarningMAFScurry39 min
Jun 11, 8:59 PM CDTSevere Thunderstorm WarningMAFBorden46 min
Jun 11, 9:10 PM CDTFlash Flood WarningMAFBorden, Scurry3 hr
Jun 11, 9:24 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos, Terrell51 min
Jun 11, 9:24 PM CDTSevere Thunderstorm WarningMAFScurry66 min
Jun 11, 10:25 PM CDTSevere Thunderstorm WarningMAFScurry35 min
Jun 11, 10:43 PM CDTSevere Thunderstorm WarningMAFPecos77 min
Jun 12, 12:15 AM CDTFlash Flood WarningMAFBorden, Scurry3 hr
Jun 12, 1:21 AM CDTSevere Thunderstorm WarningMAFBorden24 min
Jun 12, 3:08 AM CDTFlash Flood WarningMAFScurry3 hr
Jun 12, 5:06 AM CDTFlash Flood WarningMAFScurry4 hr
Jun 12, 7:01 AM CDTFlash Flood WarningMAFBorden, Dawson3 hr
Jun 12, 9:00 AM CDTFlash Flood WarningMAFScurry3 hr
Jun 12, 12:07 PM CDTFlash Flood WarningMAFScurry6 hr
Jun 12, 1:52 PM CDTFlash Flood WarningMAFBorden, Scurry3 hr
Jun 12, 3:47 PM CDTSevere Thunderstorm WarningMAFBrewster58 min
Jun 12, 4:52 PM CDTSevere Thunderstorm WarningMAFBrewster63 min
Jun 12, 5:04 PM CDTSevere Thunderstorm WarningMAFUpton61 min
Jun 12, 6:08 PM CDTSevere Thunderstorm WarningMAFUpton62 min
Jun 12, 6:16 PM CDTFlash Flood WarningMAFUpton3 hr
Jun 12, 6:34 PM CDTSevere Thunderstorm WarningMAFPresidio46 min
Jun 12, 6:58 PM CDTSevere Thunderstorm WarningMAFReagan62 min

Nearby

Severe Thunderstorm Warnings in Texas, 1999Every severe thunderstorm warning in 1999

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.