Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 13, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at May 5, 1994, 7:35 PM CDT for Polk County, York County, Nebraska. It was in force for 55 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
- May 5, 1994, 7:35 PM CDT (00:35 UTC)
- Expired
- May 5, 1994, 8:30 PM CDT
- In force
- 55 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
Counties Polk County, NE, York County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 5, 8:25 PM CDT | Tornado F0 | Henderson, NE | A small tornado briefly touched down southeast of Henderson. |
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
Omaha, NE (KOAX), launched 00:00Z, 0.6 hours before the alert went out and 106 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
- 2291 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 238 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGRI 060041 RRA SVRGRI NEC143-185-060130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HASTINGS NE 735 PM CDT THU MAY 5 1994 THE NATIONAL WEATHER SERVICE IN HASTINGS NE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL NEBRASKA ...POLK COUNTY...YORK COUNTY AT 735 PM CDT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS 25 MILES WIDE FROM 15 MILES NORTHEAST OF GRAND ISLAND TO 50 MILES NORTHEAST OF GRAND ISLAND NEAR COLUMBUS. THESE STORMS HAVE A HISTORY OF GOLF BALL SIZED HAIL AND 60 MPH WINDS. THESE STORMS WERE MOVING SOUTHEAST AT 35 MPH. PEOPLE IN YORK AND POLK COUNTIES SH OULD SEEK SHELTER IMMEDIATELY AS THESE ARE VERY DANGEROUS STORMS AND MAY PRODUCE TORNADOES WITH LITTLE WARNING. THESE STORMS CAN A OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO WARNING...SO BE ON THE LOOKOUT. APFEL
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, May 5, 6:40 PM CDT, 55 minutes before
NEZ039>041-046>049-060>064-072>077-082>087-060030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HASTINGS NE 640 PM CDT THU MAY 05 1994 ...VERY STRONG THUNDERSTORMS WERE MOVING THROUGH CENTRAL NEBRASKA... ...TORNADO WATCH FOR MUCH OF CENTRAL NEBRASKA UNTIL MIDNIGHT... AT 635 PM CDT...DOPPLER RADAR INDICATED A CLUSTER OF VERY STRONG THUNDERSTORMS IN CENTRAL NEBRASKA. ONE STORM WAS ABOUT 10 MILES NORTH OF GRAND ISLAND NEAR ST LIBORY...WHILE ANOTHER WAS 15 MILES NORTHEAST OF GRAND ISLAND NEAR PALMER. THESE STORMS WILL LIKELY PRODUCE SMALL HAIL...GUSTY WINDS...AND VERY HEAVY DOWNPOURS OF RAIN. THEY WERE MOVING TO THE EAST AT 30 MILES AN HOUR...AND WILL BE MOVING OVER THE TOWNS OF CENTRAL CITY AND CHAPMAN...OR TO THE NORTHEAST OF GRAND ISLAND. NIETFELD
Special weather statement, May 5, 6:42 PM CDT, 53 minutes before
NEZ039>041-046>049-060>064-072>077-082>087-060030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HASTINGS NE 640 PM CDT THU MAY 05 1994 ...VERY STRONG THUNDERSTORMS WERE MOVING THROUGH CENTRAL NEBRASKA... ...TORNADO WATCH FOR MUCH OF CENTRAL NEBRASKA UNTIL MIDNIGHT... AT 635 PM CDT...DOPPLER RADAR INDICATED A CLUSTER OF VERY STRONG THUNDERSTORMS IN CENTRAL NEBRASKA. ONE STORM WAS ABOUT 10 MILES NORTH OF GRAND ISLAND NEAR ST LIBORY...WHILE ANOTHER WAS 15 MILES NORTHEAST OF GRAND ISLAND NEAR PALMER. THESE STORMS WILL LIKELY PRODUCE SMALL HAIL...GUSTY WINDS...AND VERY HEAVY DOWNPOURS OF RAIN. THEY WERE MOVING TO THE EAST AT 30 MILES AN HOUR...AND WILL BE MOVING OVER THE TOWNS OF CENTRAL CITY AND CHAPMAN...OR TO THE NORTHEAST OF GRAND ISLAND. NIETFELD
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 7:00 PM CDT | Severe Thunderstorm Warning | GID | Howard | 30 min |
| May 5, 7:26 PM CDT | Tornado Warning | GID | Hamilton | 34 min |
| May 5, 7:50 PM CDT | Tornado Warning | GID | Hamilton | 40 min |
| May 5, 8:04 PM CDT | Tornado Warning | GID | Fillmore | 56 min |
| May 5, 8:16 PM CDT | Tornado Warning | GID | Clay, York | 44 min |
| May 5, 8:31 PM CDT | Tornado Warning | GID | Hamilton | 44 min |
| May 5, 8:58 PM CDT | Tornado Warning | GID | Clay, Fillmore, York | 47 min |
| May 5, 9:38 PM CDT | Tornado Warning | GID | Clay, Fillmore | 52 min |
| May 5, 9:58 PM CDT | Severe Thunderstorm Warning | GID | Nuckolls, Thayer | 32 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1994Every severe thunderstorm warning in 1994
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.