Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 77, NWS Amarillo, TX

May 26, 2008Collingsworth County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 26, 2008, 8:57 PM CDT for Collingsworth County, Texas. It was in force for 39 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: May 26, 2008, 8:57 PM CDT (01:57 UTC)
Expired: May 26, 2008, 9:36 PM CDT
In force: 39 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

County Collingsworth County, TX

The radar

The Amarillo radar (KAMA), 134 km from the middle of the area, began a volume at 02:00 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.

Issued	Product	Office	Lasted
May 26, 7:45 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.0 hours before the alert went out and 133 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: 2 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 3960 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 26, 6:53 PM CDT, 2 hours 4 minutes earlier.

Area forecast discussion, May 26, 6:53 PM CDT, 2 hours 4 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
653 PM CDT MON MAY 26 2008

.AVIATION...
DRIER AIR IS MOVING OVER FORECAST POINTS THIS EVENING AND WILL EXPECT
VFR THROUGH MIDNIGHT. WINDS WILL TAPER OFF AFTER SUNSET. A WIND
SHIFT WILL MOVE THROUGH THE PANHANDLES AFTER MIDNIGHT AND WILL AFFECT
DHT AND GUY BEFORE 09Z AND WILL TURN THE WINDS AT AMA AROUND 10Z.
CEILINGS MAY APPROACH MVFR BRIEFLY BEHIND THE FRONT BY SUNRISE BUT
WILL RETURN TO VFR BY LATE MORNING.

WYNNE

&&

.PREV DISCUSSION... /ISSUED 249 PM CDT MON MAY 26 2008/

DISCUSSION...
SVR WX UNFOLDING THIS AFTN AS STG INSTBY IS REALIZED IN MOIST AIRMASS
IN ERN PNHDLS. TSTMS SHOULD CONT TO FORM TNGT ALONG DRYLINE AND WILL
ALSO BE PSBL ALONG CDFNT THAT WILL MOVE S TNGT AND TUE. WILL CONT
POPS TNGT THRU TMW NGT. TEMPS WILL BE SLGTLY COOLER TMW IN POST
FRONTAL AIRMASS.

THEREAFTER...UPR RIDGE DVLPS OVER PNHDLS...WITH RETURN TO WARM TEMPS
AND DRY WX. MSTR IS EXPECTED TO RETURN TO LIMITED DEGREE LATE IN THE
WEEK AS LEE TROF REORGANIZES. WILL REMAIN TO BE SEEN IF SHRTWV TROFS
WILL BE ABLE TO MOVE THRU THE RIDGE TO TAKE ADVANTAGE OF THE MSTR.
ATTM...WILL RETAIN DRY FCST AFTER TUE NGT.

MEXMOS WAS REASONABLE MOST PDS...WITH EXCEPTION OF SUN MAXIMA...AS
RIDGE IN PLACE SHOULD ALLOW TEMPS TO REMAIN WARM.

KRAMAR

FIRE WEATHER...
WILL CONT RED FLAG WRNG THRU THIS EVE...AS DRYLINE SHARPENS ACRS W
CNTRL PNHDLS. APPEARS RED FLAG CONDITIONS MAY BLEED INTO SECOND TIER
OF TX PNHDL COUNTIES...AND WILL CONT WRNG THESE LOCATIONS AS WELL.
CDFNT TO MOVE THRU TNGT AND TMW.

KRAMAR

&&

.AMA WATCHES/WARNINGS/ADVISORIES...
TX...RED FLAG WARNING UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING
     ZONES: DALLAM...DEAF SMITH...HARTLEY...MOORE...OLDHAM...
     POTTER...RANDALL...SHERMAN.

OK...RED FLAG WARNING UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING
     ZONES: CIMARRON.

&&

21/21

Hazardous weather outlook, May 26, 8:05 PM CDT, 52 minutes before

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In the hours before

Local storm report, May 26, 8:19 PM CDT, 38 minutes before

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Local storm report, May 26, 8:29 PM CDT, 28 minutes before

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Local storm report, May 26, 8:32 PM CDT, 25 minutes before

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Local storm report, May 26, 8:33 PM CDT, 24 minutes before

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Local storm report, May 26, 8:42 PM CDT, 15 minutes before

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Local storm report, May 26, 8:56 PM CDT, 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 7:32 PM CDT	Tornado Warning	AMA	Hemphill	28 min
May 26, 7:35 PM CDT	Tornado Warning	AMA	Collingsworth	25 min
May 26, 7:52 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Wheeler	53 min
May 26, 7:56 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth	64 min
May 26, 8:42 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Wheeler	33 min
May 26, 8:52 PM CDT	Areal Flood Advisory	AMA	Hemphill, Wheeler	3 hr
May 26, 10:05 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Wheeler	55 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008 Every severe thunderstorm warning in 2008

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.