Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 41, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at May 27, 2002, 8:07 PM CDT for Logan County, McPherson County, Thomas County, Nebraska. It was in force for 23 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 27, 2002, 8:07 PM CDT (01:07 UTC)
- Expired
- May 27, 2002, 8:30 PM CDT
- In force
- 23 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Logan County, NE, McPherson County, NE, Thomas County, NE
The radar
The North Platte radar (KLNX), 32 km from the middle of the area, began a volume at 01:07 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 |
|---|---|---|---|
| May 27, 8:10 PM CDT | Hail 0.75 | Seneca, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 27, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 27, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.1 hours before the alert went out and 62 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
- 2225 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1732 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 5.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLBF 280107 SVRLBF NEC113-117-171-280130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 806 PM CDT MON MAY 27 2002 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... THOMAS COUNTY IN NORTH CENTRAL NEBRASKA... EASTERN MCPHERSON COUNTY IN WEST CENTRAL NEBRASKA... LOGAN COUNTY IN WEST CENTRAL NEBRASKA... * UNTIL 830 PM CDT... * AT 702 PM MDT(802 PM CDT)...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM ALONG A LINE EXTENDING FROM 5 MILES NORTHWEST OF SENECA TO 14 MILES NORTHEAST OF TRYON TO 14 MILES SOUTHWEST OF TRYON...MOVING EAST AT 40 MPH. * SEVERE THUNDERSTORMS WILL BE... OVER RINGGOLD AROUND 820 PM CDT... OVER THEDFORD AROUND 825 PM CDT... 8 MILES NORTHWEST OF STAPLETON AROUND 830 PM CDT... 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. THESE THUNDERSTORMS MAY PRODUCE WEAK...SHORT LIVED TORNADOS ALONG ITS LEADING EDGE. HOWEVER...THE PRIMARY THREAT POSED BY THIS STORM IS DAMAGING WINDS. QUICKLY SEEK SAFETY IN A BUILDING AND STAY AWAY FROM WINDOWS. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:27 PM CDT | Severe Thunderstorm Warning | LBF | Arthur, McPherson | 48 min |
| May 27, 7:33 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 57 min |
| May 27, 7:37 PM CDT | Tornado Warning | LBF | Hooker | 38 min |
| May 27, 8:19 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 56 min |
| May 27, 8:33 PM CDT | Severe Thunderstorm Warning | LBF | Blaine, Thomas | 42 min |
| May 27, 8:45 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 60 min |
| May 27, 10:28 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 32 min |
| May 28, 5:41 PM CDT | Severe Thunderstorm Warning | LBF | Frontier | 34 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2002Every severe thunderstorm warning in 2002
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.