Alert archive / Texas / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 45, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at May 12, 1989, 9:12 PM CDT for Carson County, Texas. It was in force for 48 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
- May 12, 1989, 9:12 PM CDT (02:12 UTC)
- Expired
- May 12, 1989, 10:00 PM CDT
- In force
- 48 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Carson County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 12, 9:43 PM CDT | Hail 0.75 | Carson, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 2.2 hours before the alert went out and 37 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
- 580 J/kg
- Mixed-layer CIN
- -163 J/kg
- Mixed-layer LCL
- 1079 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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.
In the hours before
Special weather statement, May 12, 5:49 PM CDT, 3 hours 23 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 545 PM CDT FRI MAY 12 1989 ...TORNADO WATCH IN EFFECT UNTIL 1000 PM CDT FOR MUCH OF THE TEXAS AND OKLAHOMA PANHANDLES... ...FLASH FLOOD WATCH UNTIL 100 AM FOR THE SOUTHEAST TEXAS PANHANDLE... AT 530 PM CDT THUNDERSTORMS CONTINUED IN THE NORTHWEST PANHANDLE OF TEXAS STRECTCHING INTO THE WESTERN PANHANDLE OF OKLAHOMA. THE THUNDER STORMS HAD DECREASED IN INTENSITY OVER THE PAST HOUR..HOWEVER GOLFBALL SIZE HAIL WAS REPORTED AT 500 PM 5 MILES SOUTH OF HARTLEY. SEVERAL FUNNEL CLOUDS HAVE ALSO BEEN REPORTED DURING THE PAST HOUR 5 MILES WEST OF STRATFORD..IN SHERMAN COUNTY. ELSEWHERE SCATTERED THUNDERSTORMS CONTINUED OVER PORTIONS OF THE TEXAS PANHANDLE AND SOUTH PLAINS INTO WESTERN OKLAHOMA. THE THUNDER STORMS WITH THE HEAVIEST RAINFALL WERE LOCATED IN FLOYD AND MOTLEY COUNTIES OF THE TEXAS SOUTH PLAINS. DUE TO THE LOCALLY HEAVY RAINFALL OVER THE PAST 240 HOURS OVER PORTIONS OF THE PANHANDLE..LOCALIZED STREET AND SMALL STREAM FLOODING IS POSSIBLE WITH THESE THUNDERSTORMS AS THEY MOVE TOWARD THE NORTH EAST AT 25 MILES AN HOUR. SC
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 7:07 PM CDT | Severe Thunderstorm Warning | AMA | Hartley, Oldham | 68 min |
| May 12, 7:36 PM CDT | Tornado Warning | AMA | Potter | 54 min |
| May 12, 8:15 PM CDT | Severe Thunderstorm Warning | AMA | Hartley, Oldham, Potter | 60 min |
| May 13, 5:50 PM CDT | Severe Thunderstorm Warning | AMA | Moore | 40 min |
| May 13, 5:32 PM CDT | Severe Thunderstorm Warning | AMA | Cimarron, Texas | 58 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1989Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.