Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 99, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 18, 1992, 8:13 AM CDT for Frontier County, Nebraska. It was in force for 32 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
- Jul 18, 1992, 8:13 AM CDT (13:13 UTC)
- Expired
- Jul 18, 1992, 8:45 AM CDT
- In force
- 32 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Frontier County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 18, 8:19 AM CDT | Hail 1.75 | Frontier, 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, 1.2 hours before the alert went out and 69 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
- NaN m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLBF 181313
SVRLBF
NEC063-181345-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
813 AM CDT SAT JUL 18 1992
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 845 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE SOUTHWEST PART OF NEBRASKA
NORTHERN FRONTIER
AT 810 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTH
OF MOOREFIELD OR ABOUT 30 MILES SOUTHEAST OF NORTH PLATTE. THIS
STORM IS MOVING SOUTHEAST AT 15 MILES AN HOUR. RESIDENTS OF
MOOREFIELD SHOULD TAKE COVER.
IF YOU ARE IN THE AREA THREATENED BY THE STORM...GO TO A REINFORCED
SHELTER AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL...VERY
HEAVY RAIN...AND DEADLY LIGHTNING.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
LARGE HAIL GREATER THAN 3/4 INCH IN DIAMETER...DEADLY LIGHTNING
AND VERY HEAVY RAIN THAT CAN FLOOD A LOW LYING AREA QUICKLY.
MONSON 1312ZWhat 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 18, 5:26 AM CDT, 2 hours 47 minutes before
NEZ012-016-017-181130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 525 AM CDT SAT JUL 18 1992 ...STRONG THUNDERSTORMS DEVELOPING ACROSS SOUTHWEST NEBRASKA... AT 520 AM CDT STRONG THUNDERSTORMS WHICH DEVELOPED VERY RAPIDLY THIS MORNING HAVE CONTINUED TO INCREASE IN INTENSITY. THE THUNDERSTORMS WERE ON A LINE FROM WELLFLEET ABOUT 20 MILES SOUTH OF NORTH PLATTE TO ABOUT 10 MILES SOUTH OF STOCKVILLE OR ABOUT 40 MILES SOUTHEAST OF NORTH PLATTE. BRIEF HEAVY RAIN ALONG WITH PEA TO MARBLE SIZE HAIL CAN BE EXPECTED WITH THESE THUNDERSTORMS THIS MORNING NEAR THE COMMUNITIES OF MAYWOOD...CURTIS AND STOCKVILLE. THE THUNDERSTORMS ARE MOVING SOUTHEAST AT 15 MILES AN HOUR. @ IF THREATENING WEATHER APPROACHES...MOVE TO A PLACE OF SHELTER IMMEDIATELY. MONSON
Special weather statement, Jul 18, 6:19 AM CDT, 1 hour 54 minutes before
NEZ012-016-017-181230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 620 AM CDT SAT JUL 18 1992 ...STRONG THUNDERSTORMS CONTINUING ACROSS SOUTHWEST NEBRASKA... AT 615 AM CDT STRONG THUNDERSTORMS WERE CONTINUING ACROSS SOUTHWEST NEBRASKA. VERY STRONG THUNDERSTORMS WERE ABOUT 5 MILES SOUTH OF NORTH PLATTE TO WELLFLEET ABOUT 20 MILES SOUTH OF NORTH PLATTE. THESE THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN FOR A SHORT PERIOD OF TIME WITH PEA SIZE HAIL. ANOTHER AREA OF VERY STRONG THUNDERSTORMS WAS NEAR STOCKVILLE ABOUT 40 MILES SOUTHEAST OF NORTH PLATTE TO ABOUT 10 MILES EAST OF MCCOOK OR ABOUT 60 MILES SOUTH OF NORTH PLATTE. VERY HEAVY RAIN ALONG WITH SMALL HAIL IS LIKELY WITH THESE THUNDERSTORMS. BETWEEN 520 AND 530 THIS MORNING PEA TO MARBLE SIZE HAIL WAS REPORTED IN CURTIS AND AT 550 PEA SIZE HAIL WAS REPORTED IN NORTH PLATTE ALONG WITH HEAVY RAIN. THE THUNDERSTORMS HAVE BEEN MOVING SOUTHEAST AT 15 MILES AN HOUR. IF THREATENING WEATHER APPROACHES...MOVE TO A PLACE OF SHELTER IMMEDIATELY. MONSON
Special weather statement, Jul 18, 7:29 AM CDT, 44 minutes before
NEZ012-016-017-181330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 730 AM CDT SAT JUL 18 1992 ...THUNDERSTORMS DIMINISHING ACROSS THE REGION... AT 725 AM CDT THE THUNDERSTORM WHICH PRODUCED 1 INCH HAIL AT HERSHEY HAS DIMINISHED IN INTENSITY AND NO LONGER IS A THREAT TO PRODUCE ANY SEVERE WEATHER. THE THUNDERSTORM WAS ABOUT 10 MILES SOUTHWEST OF NORTH PLATTE AND IS STILL PRODUCING BRIEF HEAVY RAIN ALONG WITH SMALL HAIL. OTHER SCATTERED THUNDERSTORMS ACROSS SOUTHWEST AND NORTH CENTRAL NEBRASKA ARE ALSO DIMINISHING IN INTENSITY. THE STRONG THUNDERSTORM SOUTHEAST OF MULLEN HAS MOVED SOUTHEAST TO JUST NORTH OF TRYON OR ABOUT 30 MILES NORTH OF NORTH PLATTE. THIS THUN4DERSTORM MAY BE PRODUCING BRIEF HEAVY RAIN. THE THUNDERSTORMS HAVE BEEN MOVING SOUTHEAST AT 15 MILES AN HOUR. MONSON
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 6:43 AM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 32 min |
| Jul 18, 4:12 PM CDT | Severe Thunderstorm Warning | LBF | Thomas | 33 min |
| Jul 18, 4:52 PM CDT | Severe Thunderstorm Warning | LBF | Holt, Rock | 38 min |
| Jul 18, 5:06 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 39 min |
| Jul 18, 5:36 PM CDT | Severe Thunderstorm Warning | LBF | Holt, Rock | 69 min |
| Jul 18, 5:42 PM CDT | Tornado Warning | LBF | Custer | 33 min |
| Jul 18, 5:51 PM CDT | Severe Thunderstorm Warning | LBF | Garfield, Wheeler | 54 min |
| Jul 18, 6:16 PM CDT | Tornado Warning | LBF | Custer | 29 min |
| Jul 18, 6:20 PM CDT | Severe Thunderstorm Warning | LBF | Hitchcock | 40 min |
| Jul 18, 6:45 PM CDT | Severe Thunderstorm Warning | LBF | Rock | 30 min |
| Jul 18, 6:45 PM CDT | Severe Thunderstorm Warning | LBF | Garfield | 60 min |
| Jul 18, 6:45 PM CDT | Tornado Warning | LBF | Custer | 30 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1992Every severe thunderstorm warning in 1992
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.