Alert archive / Texas / Red Flag Warnings in 2013

Red Flag Warning 6, NWS Lubbock, TX

May 18, 201316 counties in Texas

NWS Lubbock, TX issued this red flag warning at May 18, 2013, 5:31 AM CDT for 16 counties in Texas. It took effect at May 18, 2013, 12:00 PM CDT. It was in force for 9 hr. 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 18, 2013, 5:31 AM CDT (10:31 UTC)
In effect from
May 18, 2013, 12:00 PM CDT
Expired
May 18, 2013, 9:00 PM CDT
In force
9 hr
Issued by
NWS Lubbock, TX

Counties Bailey County, TX, Briscoe County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Hockley County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Parmer County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 31 km from the middle of the area, began a volume at 10:34 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 10.5 hours before the alert went out and 157 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, Amarillo Airport, TX at 00:00Z on 2013-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1089 joules per kilogram.LCLEL10008507005003002001001 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, Amarillo Airport, TX at 00:00Z on 2013-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 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
1089 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
3224 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lubbock, TX wrote its last area forecast discussion before this red flag warning went out at May 18, 5:17 AM CDT, 14 minutes earlier.

Area forecast discussion, May 18, 5:17 AM CDT, 14 minutes before
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Hazardous weather outlook, May 17, 11:36 AM CDT, 17 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
1136 AM CDT FRI MAY 17 2013

TXZ021>044-181645-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
1136 AM CDT FRI MAY 17 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EXTREME SOUTHERN TEXAS
PANHANDLE...SOUTH PLAINS AND ROLLING PLAINS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THE THREAT FOR HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
ELEVATED TO CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED ON THE
CAPROCK SATURDAY AFTERNOON...WHERE A FIRE WEATHER WATCH IS IN
EFFECT. ELEVATED TO CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE
ACROSS MUCH OF THE OUTLOOK AREA SUNDAY AND MONDAY AFTERNOONS.
THERE IS A SLIGHT CHANCE OF THUNDERSTORMS SATURDAY AFTERNOON AND
EVENING ACROSS THE FAR SOUTHEAST TEXAS PANHANDLE AND ROLLING
PLAINS. ANY STORMS THAT DEVELOP WILL BE CAPABLE OF PRODUCING LARGE
HAIL AND DAMAGING WIND GUSTS.

In the hours before

Special weather statement, May 18, 12:58 AM CDT, 4 hours 33 minutes before
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Special weather statement, May 18, 1:34 AM CDT, 3 hours 57 minutes before
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Special weather statement, May 18, 1:59 AM CDT, 3 hours 32 minutes before
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Special weather statement, May 18, 2:24 AM CDT, 3 hours 7 minutes before
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Special weather statement, May 18, 3:06 AM CDT, 2 hours 25 minutes before
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The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 18, 12:58 AM CDTSpecial Weather StatementLUBLamb32 min
May 18, 1:34 AM CDTSpecial Weather StatementLUBBailey, Castro, Hale, Lamb, Parmer41 min
May 18, 1:59 AM CDTSpecial Weather StatementLUBCrosby, Dickens, Floyd, Hale, Kent, Motley31 min
May 18, 2:24 AM CDTSpecial Weather StatementLUBBriscoe, Castro, Floyd, Hale, Motley, Swisher66 min
May 18, 3:06 AM CDTSpecial Weather StatementLUBBriscoe, Childress, Cottle, Floyd, Hall, Motley and 1 more54 min
May 18, 3:18 PM CDTFire Weather WatchLUBBailey, Briscoe, Castro, Childress, Cochran, Cottle and 18 more13 hr
May 18, 5:00 PM CDTSpecial Weather StatementLUBHall15 min
May 18, 5:18 PM CDTSpecial Weather StatementLUBMotley12 min
May 18, 5:34 PM CDTSpecial Weather StatementLUBHall11 min
May 18, 5:41 PM CDTSevere Thunderstorm WarningLUBHall34 min
May 18, 5:58 PM CDTSpecial Weather StatementLUBCottle17 min
May 18, 6:06 PM CDTSpecial Weather StatementLUBHall9 min
May 18, 6:18 PM CDTSpecial Weather StatementLUBCottle27 min
May 18, 6:26 PM CDTSpecial Weather StatementLUBChildress19 min
May 18, 6:46 PM CDTSpecial Weather StatementLUBChildress14 min

Nearby

Red Flag Warnings in Texas, 2013Every red flag warning in 2013

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.