Alert archive / Nebraska / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 45, NWS Hastings, NE

August 17, 1987Fillmore County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Aug 17, 1987, 9:45 PM CDT for Fillmore County, Nebraska. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Aug 17, 1987, 9:45 PM CDT (02:45 UTC)
Expired
Aug 17, 1987, 10:10 PM CDT
In force
25 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Fillmore County, NE

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

Omaha, NE (KOAX), launched 00:00Z, 2.8 hours before the alert went out and 136 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, Omaha, NE at 00:00Z on 1987-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Omaha, NE at 00:00Z on 1987-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3586 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
316 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

Special weather statement, Aug 17, 6:47 PM CDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
635 PM CDT MON AUG 17 1987

...SEVERE THUNDERSTORM WARNING IN EFFECT FOR SOUTHWEST GREELEY...
NORTHERN HOWARD...NORTHEAST SHERMAN...AND SOUTHEAST VALLEY COUNTY
UNTIL 7 PM CDT...

AT 6 35 PM CDT A SEVERE THUNDERSTORM WAS LOCATED IN CENTRAL NEBRASKA
35 MILES NOTHWEST OF GRAND ISLAND AT THE JUNCTIONS OF GREELEY
SHERMAN..HOWARD AND VALLEY COUNTIES.  IT WAS MOVING TOWARD THE
EAST SOUTHEAST AT 25 MPH AND MY PRODUCE DAMAGING WIND AND LARGE HAIL.

OTHER THUNDERSHOWERS WERE SCATTERED FROM CENTRAL NEBRASKA INTO THE
NORTHEAST PART OF THE STATE AND IN SOUTHWEST NEBRASKA TO THE WEST
AND SOUTHWEST OF HOLDRE)DGE.

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 17, 7:09 PM CDTSevere Thunderstorm WarningGIDHoward, Sherman51 min
Aug 17, 7:33 PM CDTSevere Thunderstorm WarningGIDHall, Hamilton, Merrick57 min
Aug 17, 7:33 PM CDTSevere Thunderstorm WarningGIDHoward57 min
Aug 17, 7:51 PM CDTTornado WarningGIDHall24 min
Aug 17, 8:13 PM CDTTornado WarningGIDHamilton27 min
Aug 17, 8:48 PM CDTSevere Thunderstorm WarningGIDHamilton27 min
Aug 17, 9:03 PM CDTTornado WarningGIDClay, Fillmore27 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 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.