Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 6, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Mar 14, 2001, 9:23 PM CST for Beaver County, Oklahoma. It was in force for 67 min. 4 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Mar 14, 2001, 9:23 PM CST (03:23 UTC)
- Expired
- Mar 14, 2001, 10:30 PM CST
- In force
- 67 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Beaver County, OK
The radar
The Dodge City radar (KDDC), 110 km from the middle of the area, began a volume at 03:25 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 14, 9:28 PM CST | Hail 1 | Beaver, OK | |
| Mar 14, 9:28 PM CST | Thunderstorm Wind 61 E | Beaver, OK | Power poles and street stop signs were blown down. |
| Mar 14, 9:39 PM CST | Thunderstorm Wind 60 E | Beaver, OK | Four power poles were blown down and pieces of metal were found in fence rows. |
| Mar 14, 9:45 PM CST | Thunderstorm Wind 60 E | Beaver, OK | Tree limbs were reported down and a large fiberglass tank was seen rolling down the road. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 14, 7:15 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 3.4 hours before the alert went out and 113 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.
- Mixed-layer CAPE
- 166 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1611 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
425 WUUS54 KAMA 150326 SVRAMA OKC007-150430- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 923 PM CST WED MAR 14 2001 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN BEAVER COUNTY IN THE OKLAHOMA PANHANDLE * UNTIL 1030 PM CST * AT 923 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TWO SEVERE THUNDERSTORMS. THE FIRST ONE WAS 4 MILES SOUTHEAST OF BEAVER...THE SECOND WAS NEAR ELMWOOD. BOTH STORMS WERE MOVING EAST AT 25 MPH. * SOME LOCATIONS AFFECTED BY THE STORM INCLUDE... BEAVER...ELMWOOD...GATE...KNOWLES...MOCANE AND SLAPOUT LARGE HAIL AND DAMAGING WINDS...ARE EXPECTED WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER. LAT...LON 3698 10056 3652 10055 3653 9981 3697 9979
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 14, 8:23 PM CST, 1 hour earlier.
Area forecast discussion, Mar 14, 8:23 PM CST, 1 hour before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
823 PM CST WED MAR 14 2001
SFC PRES GRAD TIGHTENING UP THIS EVE AS A SFC LOW AND ASSOCD
CDFNT MOV THRU THE PNHDLS WHICH IS RESULTING IN INCRG NW TO NLY WNDS.
DECIDED TO ISSUE A WND ADVY FOR ALL OF THE FA TNGT AS THE TIGHTEST
GRAD STILL OVR SERN CO AND NERN NM ATTM. CNVTN DVLPG ACRS THE
N-CNTRL AND ERN SXNS OF THE FA AND MENTIONED IT IN THE UPDATE. WL
KEEP CURRENT CONFIGURATION OF WND ADVY FOR THU AS PREV SHIFT HAD
IT...BUT MIDNGT SHIFT MAY NEED TO LOOK AT INCLUDING MORE OF THE
NRN OR WRN SXNS.
.TX...WIND ADVISORY TONIGHT TXZ001>020.
WIND ADVISORY THURSDAY TXZ003>005-009-010.
.OK...WIND ADVISORY TONIGHT OKZ001>003.
WIND ADVISORY THURSDAY OKZ002-003.
SCHNEIDER/GOEHRINGNearby
Severe Thunderstorm Warnings in Oklahoma, 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; radar from the NEXRAD Level II archive.