Alert archive / Nebraska / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 347
The Storm Prediction Center issued this severe thunderstorm watch at May 27, 2002, 6:00 PM MDT for 28 counties in Nebraska; 5 counties in South Dakota. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 27, 2002, 6:00 PM MDT (00:00 UTC)
- Expired
- May 27, 2002, 11:00 PM MDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Buffalo County, NE, Cherry County, NE, Custer County, NE, Dawson County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Greeley County, NE, Hall County, NE, Holt County, NE, Hooker County, NE, Howard County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Rock County, NE, Sheridan County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE, Wheeler County, NE, Bennett County, SD, Charles Mix County, SD, Gregory County, SD, Todd County, SD, Tripp County, SD
The radar
The North Platte radar (KLNX), 64 km from the middle of the area, began a volume at 00:01 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.
Warnings issued inside it
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 6:27 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, McPherson | 48 min |
| May 27, 6:33 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 57 min |
| May 27, 6:37 PM MDT | Tornado Warning | LBF | Hooker | 38 min |
| May 27, 7:07 PM MDT | Severe Thunderstorm Warning | LBF | Logan, McPherson, Thomas | 23 min |
| May 27, 7:19 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 56 min |
| May 27, 7:33 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Thomas | 42 min |
| May 27, 7:45 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 60 min |
| May 27, 9:20 PM MDT | Severe Thunderstorm Warning | GID | Valley | 55 min |
| May 27, 9:28 PM MDT | Severe Thunderstorm Warning | GID | Sherman | 62 min |
| May 27, 9:28 PM MDT | Severe Thunderstorm Warning | LBF | Custer | 32 min |
| May 27, 9:58 PM MDT | Severe Thunderstorm Warning | GID | Buffalo, Hall, Howard | 62 min |
| May 27, 10:12 PM MDT | Severe Thunderstorm Warning | GID | Greeley | 48 min |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.0 hours before the alert went out and 154 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
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 9:30 PM MDT | Severe Thunderstorm Watch | SPC | Antelope, Boone, Burt, Butler, Cass, Colfax and 21 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Nebraska, 2002Severe Thunderstorm Watches in South Dakota, 2002Every severe thunderstorm watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.