Alert archive / Oklahoma / Tornado Warnings in 1993
Tornado Warning 4, NWS Amarillo, TX
NWS Amarillo, TX issued this tornado warning at May 5, 1993, 6:31 PM CDT for Texas County, Oklahoma. It was in force for 29 min. 3 reports 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
- May 5, 1993, 6:31 PM CDT (23:31 UTC)
- Expired
- May 5, 1993, 7:00 PM CDT
- In force
- 29 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Texas County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 5, 6:38 PM CDT | Tornado F3 | - 4.5, OK | |
| May 5, 6:55 PM CDT | Tornado F0 | Hardesty, OK | |
| May 5, 7:10 PM CDT | Tornado F1 | 2 N Guymon, OK |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 11.5 hours before the alert went out and 170 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
- 1144 J/kg
- Mixed-layer CIN
- -205 J/kg
- Mixed-layer LCL
- 1722 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- -13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAMA 052332 TORAMA OKC139-060000- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE AMARILLO TX 631 PM CDT WED MAY 5 1993 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 700 PM CDT FOR THE PEOPLE IN THE FOLLOWING LOCATION... IN THE OKLAHOMA PANHANDLE ...SOUTHEASTERN TEXAS COUNTY AT 630 PM CDT...DOPPLER RADAR INDICATED A POSSIBLE DEVELOPING TORNADO ABOUT 10 MILES SOUTH SOUTHEAST OF GUYMON. THIS STORM WAS MOVING NORTH AT 35 MILES AN HOUR. THIS IS A DANGEROUS STORM SITUATION. DO NOT RUN OUTSIDE TO FIND THE TORNADO...SEEK SHELTER IMMEDIATELY. MOVE TO A SHELTER BELOW GROUND IF AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR REINFORCED BUILDINGS.
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, May 5, 1:00 PM CDT, 5 hours 31 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-061200- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 100 PM CDT WED MAY 5 1993 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON AND TONIGHT ACROSS THE EASTERN THREE-FOURTHS OF THE TEXAS AND OKLAHOMA PANHANDLES. THE MODERATE RISK AREA IS EAST OF A LINE FROM BOISE CITY OKLAHOMA...TO DALHART TEXAS...TO VEGA TEXAS (JUST WEST OF AMARILLO)...TO HEREFORD TEXAS. AROUND NOON...STRONG SOUTH WINDS CONTINUED OVER EASTERN PARTS OF THE PANHANDLES...WITH WINDS SHIFTING TO THE SOUTHWEST FROM THE EASTERN PLAINS OF NEW MEXICO INTO WESTERN PARTS OF THE PANHANDLES. THIS HAD CAUSED THE DRYLINE TO MOVE OFF THE NEW MEXICO STATE LINE...WITH THE DRYLINE EXTENDING ROUGHLY FROM EXTREME EASTERN CIMARRON COUNTY SOUTH TO NEAR DUMAS...AMARILLO...AND TULIA. DEW POINT TEMPERATURES EAST OF THE DRYLINE REMAINED IN THE 50S TO AS HIGH AS LOWER TO MIDDLE 60S IN THE EXTREME EASTERN COUNTIES OF THE PANHANDLES. THE DRYLINE IS EXPECTED TO MOVE ONLY SLOWLY EAST TODAY...AND WILL ACT AS A FOCUS FOR STRONG THUNDERSTORM DEVELOPMENT LATER THIS AFTERNOON AND EVENING. AFTERNOON TEMPERATURES WARMING INTO THE 80S WITH DEW POINTS IN THE 50S AND 60S EAST OF THE DRYLINE...WILL CAUSE THE AIRMASS TO BECOME EXTREMELY UNSTABLE. AN UPPER LEVEL DISTURBANCE WILL APPROACH FROM THE WEST TONIGHT...PROVIDING ADDITIONAL SUPPORT FOR THUNDERSTORM DEVELOPMENT. BECAUSE OF THE EXTREMELY UNSTABLE AIRMASS AND FAVORABLE WIND PROFILE ...SOME OF THE THUNDERSTORMS WILL LIKELY BECOME SEVERE AS THEY DEVELOP IN OR MOVE INTO THE MODERATE RISK AREA LATE THIS AFTERNOON AND TONIGHT. THE MAIN THREAT WILL BE LARGE HAIL AND DAMAGING WINDS... WITH ISOLATED TORNADOES ALSO A POSSIBILITY. SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL IN THE EASTERN THREE-FOURTHS OF THE TEXAS AND OKLAHOMA PANHANDLES SHOULD REMAIN ALERT FOR LIKELY ACTIVATION LATE THIS AFTERNOON AND TONIGHT. TG
Special weather statement, May 5, 1:00 PM CDT, 5 hours 31 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-061200- TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 100 PM CDT WED MAY 5 1993 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON AND TONIGHT ACROSS THE EASTERN THREE-FOURTHS OF THE TEXAS AND OKLAHOMA PANHANDLES. THE MODERATE RISK AREA IS EAST OF A LINE FROM BOISE CITY OKLAHOMA...TO DALHART TEXAS...TO VEGA TEXAS (JUST WEST OF AMARILLO)...TO HEREFORD TEXAS. AROUND NOON...STRONG SOUTH WINDS CONTINUED OVER EASTERN PARTS OF THE PANHANDLES...WITH WINDS SHIFTING TO THE SOUTHWEST FROM THE EASTERN PLAINS OF NEW MEXICO INTO WESTERN PARTS OF THE PANHANDLES. THIS HAD CAUSED THE DRYLINE TO MOVE OFF THE NEW MEXICO STATE LINE...WITH THE DRYLINE EXTENDING ROUGHLY FROM EXTREME EASTERN CIMARRON COUNTY SOUTH TO NEAR DUMAS...AMARILLO...AND TULIA. DEW POINT TEMPERATURES EAST OF THE DRYLINE REMAINED IN THE 50S TO AS HIGH AS LOWER TO MIDDLE 60S IN THE EXTREME EASTERN COUNTIES OF THE PANHANDLES. THE DRYLINE IS EXPECTED TO MOVE ONLY SLOWLY EAST TODAY...AND WILL ACT AS A FOCUS FOR STRONG THUNDERSTORM DEVELOPMENT LATER THIS AFTERNOON AND EVENING. AFTERNOON TEMPERATURES WARMING INTO THE 80S WITH DEW POINTS IN THE 50S AND 60S EAST OF THE DRYLINE...WILL CAUSE THE AIRMASS TO BECOME EXTREMELY UNSTABLE. AN UPPER LEVEL DISTURBANCE WILL APPROACH FROM THE WEST TONIGHT...PROVIDING ADDITIONAL SUPPORT FOR THUNDERSTORM DEVELOPMENT. BECAUSE OF THE EXTREMELY UNSTABLE AIRMASS AND FAVORABLE WIND PROFILE ...SOME OF THE THUNDERSTORMS WILL LIKELY BECOME SEVERE AS THEY DEVELOP IN OR MOVE INTO THE MODERATE RISK AREA LATE THIS AFTERNOON AND TONIGHT. THE MAIN THREAT WILL BE LARGE HAIL AND DAMAGING WINDS... WITH ISOLATED TORNADOES ALSO A POSSIBILITY. SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL IN THE EASTERN THREE-FOURTHS OF THE TEXAS AND OKLAHOMA PANHANDLES SHOULD REMAIN ALERT FOR LIKELY ACTIVATION LATE THIS AFTERNOON AND TONIGHT. TG
Special weather statement, May 5, 5:41 PM CDT, 50 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-008-009-012-013-272345- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 540 PM CDT WED MAY 5 1993 ...TORNADO WATCH IN EFFECT FOR EASTERN TWO-THIRDS OF THE TEXAS AND OKLAHOMA PANHANDLES UNTIL 1100 PM CDT... ...SEVERE THUNDERSTORM WARNING FOR HANSFORD COUNTY UNTIL 630 PM CDT... AT 630 PM CDT...THE NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS DEVELOPING FROM NORTHERN HUTCHISON COUNTY TO NORTHERN TEXAS COUNTY IN OKLAHOMA. THE STRONGEST STORM WAS LOCATED IN HANSFORD COUNTY JUST SOUTH OF GRUVER. SMALL HAIL IS POSSIBLE WITH THESE STORMS. MOVEMENT IS NORTHEAST AT 30 MPH. SD
Special weather statement, May 5, 5:41 PM CDT, 50 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-008-009-012-013-272345- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 540 PM CDT WED MAY 5 1993 ...TORNADO WATCH IN EFFECT FOR EASTERN TWO-THIRDS OF THE TEXAS AND OKLAHOMA PANHANDLES UNTIL 1100 PM CDT... ...SEVERE THUNDERSTORM WARNING FOR HANSFORD COUNTY UNTIL 630 PM CDT... AT 630 PM CDT...THE NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS DEVELOPING FROM NORTHERN HUTCHISON COUNTY TO NORTHERN TEXAS COUNTY IN OKLAHOMA. THE STRONGEST STORM WAS LOCATED IN HANSFORD COUNTY JUST SOUTH OF GRUVER. SMALL HAIL IS POSSIBLE WITH THESE STORMS. MOVEMENT IS NORTHEAST AT 30 MPH. SD
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 6:07 PM CDT | Severe Thunderstorm Warning | AMA | Texas | 68 min |
| May 5, 6:55 PM CDT | Tornado Warning | AMA | Texas | 50 min |
Nearby
Tornado Warnings in Oklahoma, 1993Every tornado warning in 1993Tornadoes in 1993
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.