Alert archive / Nebraska / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 8, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at May 21, 1989, 3:16 AM MDT for Dundy County, Nebraska. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- May 21, 1989, 3:16 AM MDT (09:16 UTC)
- Expired
- May 21, 1989, 3:45 AM MDT
- In force
- 29 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Dundy 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 9.3 hours before the alert went out and 140 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
- 2939 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, May 21, 12:57 AM MDT, 2 hours 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 155 AM CDT SUN MAY 21 1989 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR SOUTHWEST AND WEST NEBRASKA UNTIL 7 AM CDT... THUNDERSTORMS DEVELOPED RAPIDLY IN SOUTHWEST NEBRASKA EARLY THIS SUNDAY MORNING. AT 130 AM CDT NUMEROUS THUNDERSTORMS AND SHOWERS WERE SCATTERED ACROSS SOUTHWEST NEBRASKA. ONE OF THE STRONGER THUNDERSTORMS WAS 10 MILES NORTHEAST OF GRANT NEBRASKA OR 45 MILES SOUTHWEST OF NORTH PLATTE NEBRASKA...IN PERKINS COUNTY. ALL THUNDERSTORMS AND SHOWERS WERE MOVING EAST AT 25 TO 30 MILES AN HOUR. DANGEROUS LIGHTNING...HAIL...HEAVY RAIN AND GUSTY WINDS CAN BE EXPECTED IF YOU LIVE IN SOUTHWEST NEBRASKAR...FOR MUCH OF THIS MORNING. IF YOU LIVE IN SOUTHWEST NEBRASKA...BE PREPARED TO MOVE TO A PLACE OF SHELTER IF SEVERE THUNDERSTORMS SHOULD DEVELOP. MEYER
Special weather statement, May 21, 2:02 AM MDT, 1 hour 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 300 AM CDT SUN MAY 21 1989 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR SOUTHWEST AND WEST NEBRASKA UNTIL 7 AM CDT... THUNDERSTORMS CONTINUED ACROSS SOUTHWEST NEBRASKA EARLY THIS MORNING. AT 230 AM CDT NUMEROUS THUNDERSTORMS AND SHOWERS REMAINED SCATTERED ACROSS SOUTHWEST NEBRASKA. THE STRONGEST THUNDERSTORM IN SOUTHWEST NEBRASKA WAS 15 MILES EAST OF GRANT NEBRASKA OR 35 MILES SOUTHWEST OF NORTH PLATTE NEBRASKA...IN EAST PERKINS COUNTY. THIS THUNDERSTORM WAS MOVING SOUTHEAST AT 15 MILES AN HOUR. AN INTENSE THUNDERSTORM IN EXTREME NORTHEAST COLORADO WAS MOVING EAST AT 30 MILES AN HOUR WHICH MEANS IT WILL MOVE INTO NORTHWEST CHASE OR SOUTHWEST PERKINS COUNTIES IN NEBRASKA AROUND 230 AM MDT. EARLIER THIS MORNING THIS THUNDERSTORM DROPPED 3/4 INCH DIAMETER HAIL IN COLORADO. IF YOU LIVE IN THE VICINITY OF THESE THUNDERSTORMS...BE PREPARED TO MOVE TO A PLACE OF SAFETY IF NECESSARY. THE THUNDERSTORMS MOVING INTO AND ACROSS SOUTHWEST NEBRASKA MAY PRODUCE LARGE HAIL...STRONG GUSTY WINDS IN ADDITION TO BRIEF HEAVY RAIN AND DANGEROUS LIGHTNING. MEYER
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 2:21 AM MDT | Severe Thunderstorm Warning | LBF | Chase | 69 min |
| May 21, 4:16 PM MDT | Severe Thunderstorm Warning | LBF | Boyd, Holt, Keya Paha, Rock | 29 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1989Every severe thunderstorm warning in 1989
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.