Alert archive / Nebraska / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 50, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Sep 15, 1987, 5:29 PM CDT for Clay County, Hamilton County, Nebraska. It was in force for 56 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
- Sep 15, 1987, 5:29 PM CDT (22:29 UTC)
- Expired
- Sep 15, 1987, 6:25 PM CDT
- In force
- 56 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
Counties Clay County, NE, Hamilton County, NE
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 |
|---|---|---|---|
| Sep 15, 5:50 PM CDT | Thunderstorm Wind 52 | Hamilton, NE |
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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.5 hours before the alert went out and 221 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
- 192 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 623 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.7
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, Sep 15, 2:47 PM CDT, 2 hours 42 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GRAND ISLAND NE 240 PM CDT TUE SEP 15 1987 ...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTH CENTRAL AND SOUTHEAST NEBRASKA UNTIL 8 PM CDT... AT 240 PM CDT...INTENSE THUNDERSTORMS...PRODUCING VERY HEAVY RAIN AND PEA TO MARBLE SIZED HAIL WERE CONTINUING TO THE WEST OF GRAND ISLAND ALONG A 15 MILE WIDE BAND FROM WEST OF ST PAUL TO JUST NORTHEAST OF KEARNEY. DOWNPOURS OF RAIN HAS CAUSED WATER TO RUN OVER THE RAVENNA ROAD BETWEEN HIGHWAY 10 AND GIBBON. OTHERWISE... SCATTERED THUNDERSTORMS...SOME VERY STRONG...COVERED MUCH OF NEBRASKA BETWEEN NORTH PLATTE AND LINCOLN. STRONG THUNDERSTORMS WERE ALSO DEVELOPING IN NORTH CENTRAL KANSAS...TO THE EAST OF HILL CITY. MOVEMENT WAS NORTH AT 15 MPH. DAVIS
Special weather statement, Sep 15, 3:44 PM CDT, 1 hour 45 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GRAND ISLAND NE 340 PM CDT TUE SEP 15 1987 ...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTH CENTRAL AND SOUTHEAST NEBRASKA UNTIL 8 PM CDT... ...HAIL 1/2 INCH DIAMETER REPORTED 12 MILES NORTHWEST OF GRAND ISLAND AT 310 PM CDT... AT 340 PM CDT...A LINE OF STRONG THUNDERSTORMS WERE DEVELOPING RAPIDLY FROM WEST OF KEARNEY SOUTHWARD INTO NORTH CENTRAL KANSAS...NEAR RUSSELL AND WILL LIKELY PRODUCE VERY HEAVY RAINS AS THEY SPREAD NORTH AND NORTH EASTWARD INTO SOUTH CENTRAL NEBRASKA. STRONG THUNDERSTORMS WERE ALSO NOTED FROM JUST NORTH OF GRAND ISLAND TO SOUTHWEST OF COLUMBUS AND NEAR LINCOLN. THUNDERSTORMS CONTINUED OVER MUCH OF NEBRASKA BETWEEN NORTH PLATTE AND LINCOLN...AND BETWEEN ONEILL AND HASTINGS. MOVEMENT WAS NORTH AT 15 TO 20 MPH. THE AREA IN SOUTH CENTRAL NEBRASKA BETWEEN GRAND ISLAND...KEARNEY...AND HASTINGS CAN EXPECT AND INCREASE IN SHOWERS AND THUNDERSTORMS OVER THE NEXT SEVERAL HOURS. DGD
Special weather statement, Sep 15, 4:50 PM CDT, 39 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GRAND ISLAND NE 445 PM CDT TUE SEP 15 1987 ...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTH CENTRAL AND SOUTHEAST NEBRASKA UNTIL 8 PM CDT... AT 432 PM RAIN AND THUNDERSTORMS WERE OVER A GOOD PORTION OF CENTRAL NEBRASKA AND WERE SCATTERED OVER EASTERN NEBRASKA AND NORTHERN KANSAS. LITTLE MOVEMENT OF THE RAIN PATTERN WAS EVIDENT. THE MOST NUMEROUS AND INTENSE THUNDERSTORMS WERE IN THE KEARNEY AND HASTINGS AREA OF SOUTH CENTRAL NEBRASKA INTO NORTHERN KANSAS WEST OF MANKATO. THESE STORMS WERE MOVING TO THE NORTH AT 25 MPH AND WILL CONTAIN DOWNPOURS OF RAIN AND PEA TO MARBLE SIZE HAIL WITH WIND GUSTS TO 45 MP6H POSSIBLE. THE STORMS ARE MOVING TOWARD HASTINGS AND THE AREA WEST OF GRAND ISLAND. PERSONS IN SOUTH CENTRAL NEBRASKA SHOULD BE ALERT FOR HEAVY RAINS WHICH COULD CAUSE SMALL STREAM AND URBAN FLOODING. SCHMIDT
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 5:07 PM CDT | Severe Thunderstorm Warning | GID | Adams, Hall | 53 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.