Alert archive / Oklahoma / Tornado Warnings in 1989
Tornado Warning 18, NWS Amarillo, TX
NWS Amarillo, TX issued this tornado warning at May 17, 1989, 3:23 PM CDT for Texas County, Oklahoma. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- May 17, 1989, 3:23 PM CDT (20:23 UTC)
- Expired
- May 17, 1989, 4:00 PM CDT
- In force
- 37 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Texas County, OK
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 8.4 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
- 93 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 1018 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 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 17, 11:40 AM CDT, 3 hours 43 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 1139 AM CDT WED MAY 17 1989 ...THUNDERSTORMS RAPIDLY DEVELOPING IN EASTERN NEW MEXICO AND ALONG THE TEXAS NEW MEXICO STATE LINE... AT 1125 AM CDT RADAR SHOWED THUNDERSTORMS IN EASTERN NEW MEXICO IN AN AREA 20 MILES SOUTH OF CLOVIS...TO 25 MILES NORTHWEST OF TUCUMCARI TO ABOUT 25 MILES SOUTH OF CLAYTON. OTHER THUNDERSTORMS WERE IN WESTERN BAILEY COUNTY OF THE NORTHWEST TEXAS SOUTH PLAINS AND IN THE NORTHWEST TEXAS PANHANDLE. SMALL HAIL...BRIEF RAIN AND LIGHTNING ARE POSSIBLE AT THIS TIME. HOWEVER...THE ADDITIONAL RAIN MAY CAUSE FLOODING OF LOW LYING AND FLOOD PRONE AREAS DUE TO THE GROUND BEING WET AND SATaURATED ALREADY. PERSONS NEAR THESE STORMS SHOULD BE AWARE OF THESE POSSIBILITIES. KEEP TUNED TO RADIO OR TV FOR FURTHER UPDATES. MOVEMENT OF THE STORMS WAS TO THE NORTH AT 15 TO 20 MILES AN HOUR.
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 7:00 PM CDT | Flash Flood Warning | AMA | Potter, Randall | 3 hr |
| May 16, 7:14 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Potter | 61 min |
| May 16, 8:15 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Hutchinson | 60 min |
| May 16, 8:43 PM CDT | Severe Thunderstorm Warning | AMA | Ochiltree | 62 min |
| May 16, 9:56 PM CDT | Flash Flood Warning | AMA | Carson | 64 min |
| May 16, 9:56 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 64 min |
| May 17, 12:41 PM CDT | Severe Thunderstorm Warning | AMA | Parmer | 64 min |
| May 17, 1:43 PM CDT | Severe Thunderstorm Warning | AMA | Parmer | 62 min |
| May 17, 2:01 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith | 59 min |
| May 17, 2:12 PM CDT | Severe Thunderstorm Warning | AMA | Hartley | 63 min |
| May 17, 3:16 PM CDT | Severe Thunderstorm Warning | AMA | Oldham, Potter | 59 min |
| May 17, 3:51 PM CDT | Severe Thunderstorm Warning | AMA | Randall, Swisher | 69 min |
| May 17, 4:10 PM CDT | Severe Thunderstorm Warning | AMA | Potter | 65 min |
| May 17, 4:38 PM CDT | Severe Thunderstorm Warning | AMA | Hall | 67 min |
| May 17, 5:16 PM CDT | Tornado Warning | AMA | Childress | 29 min |
| May 17, 1:49 PM CDT | Severe Thunderstorm Warning | AMA | Quay | 56 min |
Nearby
Tornado Warnings in Oklahoma, 1989Every tornado warning in 1989Tornadoes in 1989
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.