Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 228, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 27, 2000, 7:56 PM MDT for Sheridan County, Nebraska. It was in force for 64 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jul 27, 2000, 7:56 PM MDT (01:56 UTC)
- Expired
- Jul 27, 2000, 9:00 PM MDT
- In force
- 64 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Sheridan County, NE
The radar
The North Platte radar (KLNX), 164 km from the middle of the area, began a volume at 01:59 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 27, 8:00 PM MDT | Hail 0.75 | Ellsworth, 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.
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 1.9 hours before the alert went out and 176 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
- 1916 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 2256 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 12.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLBF 280201 COR SVRLBF WUUS53 KLBF 280158 SVRLBF NEC161-280300- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTED PATHCAST NATIONAL WEATHER SERVICE NORTH PLATTE NE 756 PM MDT THU JUL 27 2000 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SHERIDAN COUNTY IN THE PANHANDLE OF NEBRASKA * UNTIL 900 PM MDT * AT 754 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES WEST OF ELLSWORTH...OR ABOUT 27 MILES EAST OF ALLIANCE...MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE... OVER ELLSWORTH AT 805 PM MDT OVER BINGHAM AT 820 PM MDT IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER IN A SMALL INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTION. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. A SEVERE THUNDERSTORuM WATCH REMAINS IN EFFECT UNTIL 1000 PM MDT THURSDAY EVENING FOR WESTERN NEBRASKA. LAT...LON 4286 10263 4202 10259 4204 10205 4284 10215 $$ DJB
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.
NWS North Platte, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 27, 12:10 PM MDT, 7 hours 46 minutes earlier.
Area forecast discussion, Jul 27, 12:10 PM MDT, 7 hours 46 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTH PLATTE NE 110 PM CDT THU JUL 27 2000 ...FORECAST PROBLEM WILL BE FIRST PERIOD TSRA CHANCES... 6.7U STLT SHOWS MONSOON MSTR CIRCULATION CENTER LIFTING NORTH FROM WRN NM. CONVECTION REFIRING IN C/NC KS. SOME WEAK CONVECTION NOW MOVING FROM NE WY INTO SW SD AND EXTREME NW NEBR. A PERSISTENT BOUNDARY FROM EARLIER CONVECTION IS APPARENT ON REGIONAL RADAR MOSAIC EXTENDING FROM NEAR IEN SD SOUTHEAST INTO NW CUSTER COUNTY. SBCAPES THIS AFTERNOON TO 3.5KJ/KG...SOME CAP HOWEVER SHOULD INHIBIT MOST ACTIVITY UNTIL LATE THIS AFTTERNOON. ETA MODEL DIFFERS FROM PREVIOUS ON TIMING. 12Z RUN SHOWS A DISTINCT VORT MAX RUNNING THE RIDGE OVER NRN WY TODAY THEN DROPPING SSE ACROSS CNTRL NEBR OVERNIGHT. THIS WILL LIKELY CREATE ANOTHER MCS THROUGH WRN AND CNTRAL NEBR. VORT MAX CURRENTLY OVER WRN NEBR SHOULD IN ADDITION FIRE UP AN MCS IN SRN NEBR AND MOVING S INTO KS THIS EVENING. WILL ASSUME THIS SCENARIO BUT MONITOR AREAS OF POSSIBLE CONV DEVELOPMENT AT ZONE ISSUANCE. TONIGHT...WILL INCLUDE 50 POPS TONIGHT FOR ALL CWA. PLENTY OF AVBL MSTR WITH PWS TO 1.5 IN. LARGE AREA OF 300-200 DIV AND LAYERED OMEGA TRAVERSE THE CWA. KEYING IN ON HEAVY RAIN POSSIBLE FROM CHERRY COUNTY SE INTO FRONTIER AND CUSTER COUNTY AS STORM MOTION S/SE LESS THAN 10 KTS. FRIDAY...MCS WILL MOVE SOUTH OF AREA EARLY WITH SUBSIDENCE PREVALENT BEHIND THE MCS INTO KS. MOSTLY CLOUDY AM IN THE SOUTH...PARTLY SUNNY NORTH. WITH LIGHT EASTERLY WINDS HIGHS WILL BE HELD TO THE MID 80S. A WEAK WAVE DROP SOUTH FROM CNTRAL SD WITH A SMALL CHC OF LATE DAY TSRA IN THE NE ZONES CONTINUING INTO THE EVENING...OTHERWISE DRY. FRIDAY NIGHT AND SATURDAY...PARTLY CLOUDY AND DRY. CONVECTION TO BE CONFINED TO THE FOOTHILL AND NE WYOMING SAT AFTERNOON. LOWS FRIDAY NIGHT AROUND 60...HIGHS SATURDAY IN THE 80S AS LIGHT EASTERLY WINDS CONTINUE. EFP...SUNDAY THRU TUES LOOKS DRY AS UPPER RIDGE BUILDS NW INTO THE NRN PLAINS. ANY CONVECTION SHOULD BE CONFINED TO NEAR TO FOOTHILLS AND QUICKLY DIE WITH ANY EASTWARD MOVEMENT. HIGHS 87-93 AND LOWS 57-63. .LBF...NONE ROBERG
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 6:46 PM MDT | Severe Thunderstorm Warning | LBF | Garden | 59 min |
| Jul 27, 7:02 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 58 min |
| Jul 27, 8:48 PM MDT | Severe Thunderstorm Warning | LBF | Hooker, McPherson | 57 min |
| Jul 27, 9:06 PM MDT | Severe Thunderstorm Warning | LBF | Keith | 54 min |
| Jul 27, 9:10 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 65 min |
| Jul 27, 11:06 PM MDT | Severe Thunderstorm Warning | LBF | Custer | 54 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2000Every severe thunderstorm warning in 2000
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; radar from the NEXRAD Level II archive.