Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 47, NWS Tulsa, OK

June 19, 1987Mayes County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 19, 1987, 2:33 PM CDT for Mayes County, Oklahoma. It was in force for 57 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
Jun 19, 1987, 2:33 PM CDT (19:33 UTC)
Expired
Jun 19, 1987, 3:30 PM CDT
In force
57 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Mayes County, OK

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

TimeReportWhereRemark
Jun 19, 2:55 PM CDTThunderstorm Wind 54Mayes, 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

Springfield, MO (KUMN), launched 12:00Z, 7.6 hours before the alert went out and 144 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 1987-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 586 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1987-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.1939Sfc1 km3 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
586 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
758 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUL 191933
SVRTUL
OKC097-192030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
233 PM CDT FRI JUN 19 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  330 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHEAST OKLAHOMA
          ...MAYES
 
AT 230 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 10 MILES
WEST OF ADAIR, OKLAHOMA. THE STORM WAS MOVING TO THE EAST AT 30 MPH.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
LARGE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN.  FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

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, Jun 19, 9:50 AM CDT, 4 hours 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA, OK
946 AM CDT FRI JUN 19 1987

        ...HOT AND HUMID TODAY...THUNDERSTORMS TONIGHT...

AN UPPER LEVEL DISTURBANCE APPROACHING OKLAHOMA FROM THE WEST WILL
LIKELY BRING THUNDERSTORMS TO PARTS OF EASTERN OKLAHOMA LATER THIS
EVENING. WITH WARM...MOIST...AND UNSTABLE AIR ALREADY OVER THE EAST/
ERN SECTIONS OF THE STATE...LITTLE ELSE IN NEEDED TO TRIGGER THUNDER/
STORM ACTIVITY. AFTERNOON HIGHS ARE EXPECTED TO REACH INTO THE LOW
TO MID 90S...AND THIS SHOULD ALSO AID THUNDERSTORM DEVELOPMENT.

WITH THE APPROACH OF THE WEEKEND...PERSONS PLANNING OUTDOOR ACTIVITIES
SHOULD BE AWARE OF THE POSSIBILITY OF SOME STRONG THUNDERSTORMS THIS
EVENING. BOATERS SHOULD REMEMBER THAT HIGH WINDS FROM THUNDERSTORMS
CAN PRODUCE WAVES THAT WILL QUICKLY ENDANGER LIVES.

THUNDERSTORMS HAVE ALREADY DEVELOPED IN NORTHWESTERN AND CENTRAL OKLAHOMA
THIS MORNING...AND AS A RESULT A SEVERE THUNDERSTORM WATCH HAS BEEN
ISSUED FOR MUCH OF WESTERN AND CENTRAL OKLAHOMA.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.

TEAGUE
Special weather statement, Jun 19, 12:13 PM CDT, 2 hours 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA, OK
1202 PM CDT FRI JUN 19 1987

   ...INTENSE THUNDERTSTORMS MOVING INTO WESTERN OSAGE COUNTY...

THUNDERSTORMS ARE MOVING INTO WESTERN OSAGE COUNTY AND COULD PRODUCE
BRIEF HEAVY RAIN...SMALL HAIL AND WIND GUSTS TO NEAR 40 MPH. PERSONS
IN THE KAW CITY...BURBANK AND FORAKER AREAS SHOULD BE ALERT TO THE
POSSIBLITY OF THESE THUNDERSTORMS AS THEY MOVE THROUGH OSAGE COUNTY.

SEVERE THUNDERSTORMS ARE A POSSIBILITY THIS AFTERNOON AS COOLER AIR
ACROSS NORTHERN OKLAHOMA MOVES SOUTHEAST INTO WARM UNSTABLE AIR OVER
EASTERN SECTIONS OF THE STATE. PERSONS PLANNING OUTDOOR ACTIVITIES
SHOULD REMAIN ALERT TO THE POSSIBLITY OF SEVERE WEATHER IN EASTERN
OKLAHOMA THIS AFTERNOON.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.

TEAGUE

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.

TEAGUE
Special weather statement, Jun 19, 12:16 PM CDT, 2 hours 17 minutes before
SPECIAL WEATHER STATEMENT CORRECTED
NATIONAL WEATHER SERVICE TULSA, OK
1215 PM CDT FRI JUN 19 1987

   ...INTENSE THUNDERTSTORMS MOVING INTO WESTERN OSAGE COUNTY...

THUNDERSTORMS ARE MOVING INTO WESTERN OSAGE COUNTY AND COULD PRODUCE
BRIEF HEAVY RAIN...SMALL HAIL AND WIND GUSTS TO NEAR 40 MPH. PERSONS
IN THE KAW CITY...BURBANK AND FORAKER AREAS SHOULD BE ALERT TO THE
POSSIBLITY OF THESE THUNDERSTORMS AS THEY MOVE THROUGH OSAGE COUNTY.

SEVERE THUNDERSTORMS ARE A POSSIBILITY THIS AFTERNOON AS COOLER AIR
ACROSS NORTHERN OKLAHOMA MOVES SOUTHEAST INTO WARM UNSTABLE AIR OVER
EASTERN SECTIONS OF THE STATE. PERSONS PLANNING OUTDOOR ACTIVITIES
SHOULD REMAIN ALERT TO THE POSSIBLITY OF SEVERE WEATHER IN EASTERN
OKLAHOMA THIS AFTERNOON.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.

TEAGUE

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 12:39 PM CDTSevere Thunderstorm WarningTSACreek66 min
Jun 19, 1:36 PM CDTSevere Thunderstorm WarningTSACreek, Tulsa54 min
Jun 19, 1:56 PM CDTSevere Thunderstorm WarningTSARogers, Wagoner64 min
Jun 19, 2:23 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Okmulgee67 min
Jun 19, 3:34 PM CDTSevere Thunderstorm WarningTSADelaware, Ottawa26 min
Jun 19, 4:00 PM CDTSevere Thunderstorm WarningTSALeFlore60 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.