Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 16, NWS Tulsa, OK

May 5, 1987Rogers County, Wagoner County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 5, 1987, 3:32 PM CDT for Rogers County, Wagoner County, Oklahoma. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
May 5, 1987, 3:32 PM CDT (20:32 UTC)
Expired
May 5, 1987, 4:30 PM CDT
In force
58 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Rogers County, OK, Wagoner 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

Springfield, MO (KUMN), launched 12:00Z, 8.5 hours before the alert went out and 177 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 1987-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 122 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 1987-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.193958Sfc1 km3 km6 km9 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
122 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
797 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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

Local storm report, May 5, 1:24 PM CDT, 2 hours 8 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
124 PM CDT TUE MAY 05 1987

 TIME/CST COUNTY      EVENT  (CD=CIVIL DEFENSE  OHP=OK HIGHWAY PAT'L)
 120  PM  TULSA       SMALL HAIL REPORTED ABOUT 2 MILES WEST OF
                      OWASSO OKLAHOMA.  REPORT THRU OWASSO POLICE.
Local storm report, May 5, 1:50 PM CDT, 1 hour 42 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
148 PM CDT TUE MAY 05 1987

 TIME/CST COUNTY      EVENT  (CD=CIVIL DEFENSE  OHP=OK HIGHWAY PAT'L)
                      SMALL HAIL WAS REPORTED ABOUT 1 1/2 MI=LES
                      NORTH OF OWASSO AT 96TH STREET AND HIGHWAY 169.
                      REPORT FROM THE OWASSO PD.
Local storm report, May 5, 1:51 PM CDT, 1 hour 41 minutes before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE TULSA, OK
150 PM CDT TUE MAY 05 1987

 TIME/CDT COUNTY      EVENT  (CD=CIVIL DEFENSE  OHP=OK HIGHWAY PAT'L)
 132 PM   TULSA       SMALL HAIL WAS REPORTED AABOUT 1 1/2 MILES
                      NORTH OF OWASSO AT 96TH STREET AND HIGHWAY 169.
                      REPORT FROM THE OWASSO PD.

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 4:50 PM CDTSevere Thunderstorm WarningTSAMayes55 min
May 5, 6:14 PM CDTSevere Thunderstorm WarningTSACherokee, Delaware61 min
May 5, 6:17 PM CDTSevere Thunderstorm WarningTSASequoyah58 min
May 5, 5:28 PM CDTSevere Thunderstorm WarningTSASebastian62 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.