Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 40, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Jul 1, 1987, 5:49 PM CDT for Texas County, Oklahoma. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Jul 1, 1987, 5:49 PM CDT (22:49 UTC)
- Expired
- Jul 1, 1987, 6:45 PM CDT
- In force
- 56 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
Dodge City, (KDDC), launched 12:00Z, 10.8 hours before the alert went out and 181 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1154 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -201 m²/s²
- 0-3 km storm-relative helicity
- -11 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 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, Jul 1, 4:40 PM CDT, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 438 PM CDT WED JUL 1 1987 ...TORNADO WATCH NUMBER 293 IN EFFECT FROM 430 PM CDT UNTIL 1000 PM CDT FOR THE WEST AND CENTRAL SECTIONS OF THE TEXAS AND OKLAHOMA PANHANDLES...AND FOR PORTIONS OF NORTHEAST NEW MEXICO... AT 425 PM CDT AMARILLO RADAR INDICATED A LINE OF VERY STRONG THUNDER STORMS EXTENDING FROM NEAR GUYMON OKLAHOMA...SOUTHWEST ACROSS THE NORTHWEST CORNER OF THE TEXAS PANHANDLE TO JUST SOUTH OF CLAYTON NEW MEXICO. STRONGEST PORTION OF THE LINE WAS IN DALLAM COUNTY OF THE NORTHWEST TEXAS PANHANDLE...JUST EAST OF TEXLINE. THE LINE WAS SHOWING A SLOW SOUTHEAST MOVEMENT. PERSONS INP THE WATCH AREA SHOULD REMAIN ALERT AND MOVE TO A PLACE OF SAFETY IF THREATENING CONDITIONS ARE SIGHTED. STAY TUNED TO RADIO... TV OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jul 1, 5:32 PM CDT, 17 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 531 PM CDT WED JUL 1 1987 ...TORNADO WATCH NUMBER 293 IN EFFECT FROM 430 PM CDT UNTIL 1000 PM CDT FOR THE WEST AND CENTRAL SECTIONS OF THE TEXAS AND OKLAHOMA PANHANDLES...AND FOR PORTIONS OF NORTHEAST NEW MEXICO... AT 525 PM CDT AMARILLO RADAR INDICATED A LINE OF VERY STRONG THUNDER STORMS EXTENDING FROM NEAR LIBERAL KANSAS...SOUTHWEST ACROSS GUYMON OKLAHOMA TO JUST SOUTH OF CLAYTON NEW MEXICO. STRONGEST PORTION OF THE LINE WAS IN TEXAS COUNTY OF THE CENTRAL OKLAHOMA PANHANDLE...BETWEEN HOOKER AND TYRONE. THE LINE WAS SHOWING A SLOW SOUTHEAST MOVEMENT. PERSONS IN THE WATCH AREA SHOULD REMAmIN ALERT AND MOVE TO A PLACE OF SAFETY IF THREATENING CONDITIONS ARE SIGHTED. STAY TUNED TO RADIO... TV OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 10:11 PM CDT | Severe Thunderstorm Warning | AMA | Quay | 64 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1987Every severe thunderstorm warning in 1987
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.