Alert archive / Nebraska / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 48, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 17, 1989, 4:22 PM MDT for Keith County, Nebraska. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Jul 17, 1989, 4:22 PM MDT (22:22 UTC)
- Expired
- Jul 17, 1989, 5:30 PM MDT
- In force
- 68 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Keith 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 12:00Z, 10.4 hours before the alert went out and 89 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
- 712 J/kg
- Mixed-layer CIN
- -326 J/kg
- Mixed-layer LCL
- 716 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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, Jul 17, 3:12 PM MDT, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 410 PM CDT MON JUL 17 1989 INTENSE THUNDERSTORMS DEVELOPING ACROSS NORTH CENTRAL NEBRASKA AND APPROACHING SOUTHWEST NEBRASKA THIS AFTERNOON. AT 400 PM CDT AN INTENSE THUNDERSTORM WAS 10 MILES NORTHWEST OF TRYON NEBRASKA OR 40 MILES NORTHWEST OF NORTH PLATTE NEBRASKA MOVING SOUTHEAST AT 30 MILES AN HOUR. A SECOND INTENSE THUNDERSTORM WAS 5 MILES SOUTH OF MULLEN NEBRASKA OR 45 MILES NORTHWEST OF NORTH PLATTE NEBRASKA ALSO MOVING SOUTHEAST AT 30 MILES AN HOUR. THESE THUNDERSTORMS ARE PROBABLY PRODUCING SOME HAIL...HEAVY RAIN...DANGEROUS LIGHTNING AND GUSTY WINDS. SHORTLY BEFORE 400 PM CDT A FUNNEL CLOUD WAS REPORTED BY THE PUBLIC 10 MILES NORTH OF ARTHUR NEBRASKA. A SPOTTER WAS SENT TO THE AREA AND FOUND NO EVIDENCE OF AN TORNADIC ACTIVITY. HOWEVER...IF YOU LIVE IN NORTH CENTRAL NEBRASKA NEAR ANY OF THE INTENSE THUNDERSTORMS...STAY ALERT TO THE WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SHELTER IF THREATENING WEATHER APPROACHES. MEYER
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 4:26 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 64 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.