Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 119, NWS Amarillo, TX

May 29, 2001Gray County, Roberts County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 29, 2001, 10:08 PM CDT for Gray County, Roberts County, Texas. It was in force for 52 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 29, 2001, 10:08 PM CDT (03:08 UTC)
Expired: May 29, 2001, 11:00 PM CDT
In force: 52 min
Issued by: NWS Amarillo, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Gray County, TX, Roberts County, TX

The radar

The Amarillo radar (KAMA), 92 km from the middle of the area, began a volume at 03:09 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 29, 7:30 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 3.1 hours before the alert went out and 91 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: 2215 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1261 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 213 m²/s²
0-3 km storm-relative helicity: 279 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 17.2

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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 29, 3:15 PM CDT, 6 hours 53 minutes earlier.

Area forecast discussion, May 29, 3:15 PM CDT, 6 hours 53 minutes before

TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
315 PM CDT TUE MAY 29 2001

AMS OVR PNHDLS IS VERY UNSTABLE AND IS SHEARED WELL.  H5 VOT MAX WITH
ASSOCD COLD POOL MOVG TWD WRN ZNS ATTM.  LOW-LVL MSTR FLUX CNVGNC IS
MAXIMIZED OVR WRN ZNS.  AREAL QUALIFIERS WILL BE USED ALL SXNS 1ST
PD.  WSHFT EXPCD LATE TNGT.  NELY SFC WNDS ON WED WL BRING MORE
STABLE AIR INTO AREA WITH LITTLE CNVGNC OVR AREA.  WL REMOVE POPS WED
FM ALL BUT ERN ZNS WHERE SOME PCPN MAY LINGER DURG MRNG.  ALSO
REMOVED POPS FOR WED NGT AS SFC RDG BUILDS INTO AREA.  SOME RECOVERY
OF MSTR PSBL FOR THU AND THU NGT OVR WRN ZNS...SO INTRODUCED SLGT CHC
POPS THOSE LOCATIONS.  WL KEEP EXTDD DRY AS WK TO MDT NWLY FLOW PVLS.
03

.AMA...
TX...NONE.
OK...NONE.

COCKRELL

In the hours before

Special weather statement, May 29, 7:32 PM CDT, 2 hours 36 minutes before

OKZ001>003-TXZ001>020-300600-

SPECIAL WEATHER STATEMENT...UPDATED WATCH INFORMATION
NATIONAL WEATHER SERVICE AMARILLO TX
732 PM CDT TUE MAY 29 2001

...A TORNADO WATCH IS IN EFFECT FOR THE CENTRAL AND EASTERN TEXAS
AND OKLAHOMA PANHANDLES UNTIL 1 AM CDT...

THE NATIONAL WEATHER SERVICE OFFICE IN AMARILLO HAS CANCELED
TORNADO WATCH NUMBER 319 FOR THE FOLLOWING COUNTIES IN THE TEXAS
PANHANDLE...DALLAM...HARTLEY...OLDHAM...DEAF SMITH AND FOR
THE OKLAHOMA PANHANDLE...CIMARRON.

A TORNADO WATCH IS NOW IN EFFECT FOR THE CENTRAL AND EASTERN
TEXAS PANHANDLE UNTIL 1 AM CDT.  WATCH NUMBER 321 IS IN
EFFECT FOR THE FOLLOWING COUNTIES IN THE TEXAS PANHANDLE...SHERMAN...
HANSFORD...OCHILTREE...LIPSCOMB...MOORE...HUTCHINSON...ROBERTS...
HEMPHILL...POTTER...CARSON...GRAY...WHEELER...RANDALL...ARMSTRONG...
DONLEY...COLLINGSWORTH AND IN THE OKLAHOMA PANHANDLE...TEXAS AND
BEAVER.

GARCIA

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 7:07 PM CDT	Severe Thunderstorm Warning	AMA	Sherman	38 min
May 29, 7:10 PM CDT	Severe Thunderstorm Warning	AMA	Hutchinson	65 min
May 29, 7:14 PM CDT	Tornado Warning	AMA	Carson	61 min
May 29, 7:45 PM CDT	Tornado Warning	AMA	Gray	60 min
May 29, 7:52 PM CDT	Severe Thunderstorm Warning	AMA	Hansford	38 min
May 29, 8:10 PM CDT	Severe Thunderstorm Warning	AMA	Roberts	50 min
May 29, 8:52 PM CDT	Severe Thunderstorm Warning	AMA	Wheeler	38 min
May 29, 11:44 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth	46 min
May 30, 6:24 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	51 min
May 29, 8:32 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	43 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001 Every severe thunderstorm warning in 2001

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.