Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 9, NWS Amarillo, TX

March 23, 2001Dallam County, Sherman County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 23, 2001, 3:14 PM CST for Dallam County, Sherman County, Texas. It was in force for 61 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 23, 2001, 3:14 PM CST (21:14 UTC)
Expired
Mar 23, 2001, 4:15 PM CST
In force
61 min
Issued by
NWS Amarillo, TX
Area
Whole counties

Counties Dallam County, TX, Sherman County, TX

What was reported inside it

TimeReportWhereRemark
Mar 23, 3:22 PM CSTHail 1Texline, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.2 hours before the alert went out and 127 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 12:00Z on 2001-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2001-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1409 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
171 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KAMA 232114
SVRAMA
TXC111-421-232215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
314 PM CST FRI MAR 23 2001

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN DALLAM COUNTY IN THE TEXAS PANHANDLE
  SHERMAN COUNTY IN THE TEXAS PANHANDLE

* UNTIL 415 PM CST

* AT 314 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 17 MILES NORTH OF STRATFORD TO 20
  MILES NORTHWEST OF STRATFORD...MOVING SOUTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED BY THESE STORMS INCLUDE...
  STRATFORD

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS AND LARGE HAIL.
GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

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 Mar 23, 2:21 AM CST, 12 hours 53 minutes earlier.

Area forecast discussion, Mar 23, 2:21 AM CST, 12 hours 53 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
221 AM CST FRI MAR 23 2001

VORT MAX SLOWLY PUSHING EAST THROUGH SOUTHEAST COLORADO AND
NORTHEAST NEW MEXICO CAUSING OUR SHOWERS AND ISOLATED STORMS THIS
MORNING. RAIN SHOULD PUSH INTO WESTERN OKLAHOMA OR DISSIPATE BY
SUNRISE. VORT MAX HANGS AROUND THE OKLAHOMA PANHANDLE FOR MOST OF
THE DAY. THIS COUPLED WITH SURFACE MOISTURE...UPSLOPE AND
INSTABILITY LEADS ME TO THINK THAT GOING FORECAST IS RIGHT ON
TRACK WITH POPS TODAY.  WE WILL INCREASE POPS FOR TONIGHT AS NEXT
STRONG COLD FRONT MOVES THROUGH AND NEXT SHORT WAVE APPROACHES
THE AREA IN WEST/NORTHWEST FLOW ALOFT.

WE WILL LOWER SOME TEMPERATURES ON SATURDAY. AGREE WITH LBB THAT
VERY LITTLE SUNSHINE WILL EQUAL VERY SMALL TEMPERATURE RISES.

REST OF THE FORECAST LOOKS TO BE PRETTY MUCH ON TRACK...BUT WE
WILL INTRODUCE SOME POPS FOR MONDAY NIGHT AND TUESDAY. IT NOW
LOOKS LIKE THE MODELS ARE LATCHING ONTO THE IDEA THAT ANOTHER COLD
FRONT SHOULD MOVE THROUGH THE PANHANDLES MONDAY NIGHT. ANOTHER
SHORT WAVE MOVES TOWARDS THE PANHANDLES TUESDAY AS WESTERN RIDGE IS
REPLACED BY A TROUGH.

A FEW NUMBERS TO PONDER:

DHT 67/a38 43/35 57 464
AMA 70/42 48/36 62 364
BVR 64/41 47/36 58 464

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

GOEHRING

In the hours before

Special weather statement, Mar 23, 1:00 PM CST, 2 hours 14 minutes before
OKZ001>003-TXZ001>020-240300-

TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
100 PM CST FRI MAR 23 2001

THERE IS A SLIGHT RISK FOR ISOLATED SEVERE THUNDERSTORMS LATER THIS
EVENING AND TONIGHT OVER ABOUT THE SOUTHWEST QUARTER OF THE TEXAS
PANHANDLE.  THE SLIGHT RISK AREA IS MAINLY ALONG AND SOUTHWEST OF A
LINE FROM ROMERO TO SOUTH OF CANYON NEAR HAPPY.

ELSEWHERE ACROSS THE OKLAHOMA AND TEXAS PANHANDLES...SCATTERED
THUNDERSTORMS ARE EXPECTED LATER TODAY THROUGH TONIGHT.
THUNDERSTORMS OVER THE HIGHER TERRAIN AND MOUNTAINS OF NORTHERN AND
NORTHEASTERN NEW MEXICO AS WELL AS SOUTHERN AND SOUTHEASTERN
COLORADO WILL MOVE SOUTHEAST INTO THE OKLAHOMA AND TEXAS PANHANDLES
BY MID TO LATE AFTERNOON TODAY.

A MOIST AND UNSTABLE AIRMASS IS IN PLACE OVER THE OKLAHOMA AND TEXAS
PANHANDLES.  IN ADDITION...A TROUGH OF LOW PRESSURE IN THE UPPER
ATMOSPHERE WILL MOVE EAST OUT OF NEW MEXICO AND INTO WEST TEXAS LATER
TODAY AND TONIGHT.  THE BEST LIFT AND UPPER LEVEL DYNAMICS FROM THIS
UPPER TROUGH WILL BE JUST SOUTH AND SOUTHWEST OF THE TEXAS PANHANDLE.
 THAT IS THE REASON FOR THE SLIGHT RISK AREA OVER THE EXTREME
SOUTHWEST SECTION OF THE TEXAS PANHANDLE THIS EVENING AND TONIGHT.

THE PRIMARY THREAT WITH THE SEVERE THUNDERSTORMS WILL BE LARGE
HAIL...ALTHOUGH SOME DAMAGING DOWNBURST WINDS ARE ALSO POSSIBLE.  THE
OVERALL TORNADO THREAT APPEARS MINIMAL AT THIS TIME...AN ISOLATED
TORNADO CANNOT BE RULED OUT.

OUTSIDE OF THE SEVERE THREAT...THE THUNDERSTORMS ARE EXPECTED TO
PRODUCE BRIEF GUSTY WINDS...DEADLY LIGHTNING AND BRIEF HEAVY
RAINFALL.

SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIAL OVER THE SOUTHWEST
<TEXAS PANHANDLE SHOULD BE ON ALERT FOR POSSIBLE ACTIVATION THIS
EVENING AND TONIGHT.

SCHNEIDER
Special weather statement, Mar 23, 2:12 PM CST, 1 hour 2 minutes before
OKZ001>003-TXZ001>020-240300-

TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
212 PM CST FRI MAR 23 2001

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS LATER THIS AFTERNOON
THROUGH TONIGHT OVER ABOUT THE WESTERN TWO-THIRDS OF THE OKLAHOMA AND
TEXAS PANHANDLES.  THE SLIGHT RISK AREA IS MAINLY ALONG AND WEST OF A
LINE FROM NORTHWEST OF FORGAN TO HEDLEY.  THIS DOES INCLUDE THE
CITIES AND TOWNS OF AMARILLO...BORGER...DALHART...CANYON...
HEREFORD...DUMAS...CLARENDON...SPEARMAN...GUYMON...STRATFORD...BOISE
CITY...CLAUDE...AND PERRYTON.

ELSEWHERE ACROSS THE EXTREME EASTERN OKLAHOMA AND TEXAS PANHANDLES...
SCATTERED THUNDERSTORMS ARE EXPECTED LATER TODAY THROUGH TONIGHT.
THUNDERSTORMS OVER THE HIGHER TERRAIN AND MOUNTAINS OF NORTHERN AND
NORTHEASTERN NEW MEXICO AS WELL AS SOUTHERN AND SOUTHEASTERN
COLORADO WILL MOVE SOUTHEAST INTO THE OKLAHOMA AND TEXAS PANHANDLES
BY MID TO LATE AFTERNOON TODAY.

A MOIST AND UNSTABLE AIRMASS IS IN PLACE OVER THE OKLAHOMA AND TEXAS
PANHANDLES.  IN ADDITION...A TROUGH OF LOW PRESSURE IN THE UPPER
ATMOSPHERE WILL MOVE EAST OUT OF NEW MEXICO AND INTO WEST TEXAS LATER
TODAY AND TONIGHT.  THAT IS THE REASON FOR THE SLIGHT RISK AREA OVER
THE WESTERN TWO-THIRDS OF THE OKLAHOMA AND TEXAS PANHANDLE THIS
EVENING AND TONIGHT.

THE PRIMARY THREATS WITH THE SEVERE THUNDERSTORMS WILL BE LARGE HAIL
AND DAMAGING DOWNBURST WINDS.

OUTSIDE OF THE SEVERE THREAT...THE THUNDERSTORMS ARE EXPECTED TO
PRODUCE BRIEF GUSTY WINDS...DEADLY LIGHTNING AND BRIEF HEAVY
RAINFALL.

SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIAL ALL ACROSS THE
WESTERN AND CENTRAL OKLAHOMA AND TEXAS PANHANDLES SHOULD BE ON ALERT
FOR POSSIBLE ACTIVATION LATER TODAY THROUGH TONIGHT.

SCHNEIDER

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 4:15 PM CSTSevere Thunderstorm WarningAMADallam60 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.