Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 25, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Jun 11, 1997, 6:18 PM CDT for Sherman County, Valley County, Nebraska. It was in force for 42 min. 2 reports 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
- Jun 11, 1997, 6:18 PM CDT (23:18 UTC)
- Expired
- Jun 11, 1997, 7:00 PM CDT
- In force
- 42 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
Counties Sherman County, NE, Valley County, NE
The radar
The Grand Island radar (KUEX), 128 km from the middle of the area, began a volume at 23:19 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 |
|---|---|---|---|
| Jun 11, 6:25 PM CDT | Hail 2.25 | Arcadia, NE | |
| Jun 11, 6:45 PM CDT | Hail 2 | Arcadia, 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 |
|---|---|---|---|
| Jun 11, 3:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.3 hours before the alert went out and 139 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
- 270 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 279 m²/s²
- 0-3 km storm-relative helicity
- 369 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
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.
NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 2:54 PM CDT, 3 hours 24 minutes earlier.
Area forecast discussion, Jun 11, 2:54 PM CDT, 3 hours 24 minutes before
CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 253 PM CDT WED JUN 11 1997 TSTMS AND TEMPS MAIN CHALLENGES. LONE SVR STORM CURRENTLY RUMBLING ACROSS ERN CWA IN AREA OF SFC MSTR CONVG INVOF H7 S/W CLEARLY EVIDENT ON PROFILERS. ALSO SHOWN IS LFQ OF H3 JET ON PROFILERS. WV IMGRY SHOWS SECONDARY S/W HAS CAUGHT UP WITH REMNANT CONVECTION FROM THIS MORNING/INITIAL S/W. THIS HAS INTENSIFIED STORMS ATTM. AT CURRENT MOVMENT...THESE SHOULD BE OUT OF AREA BY ISSUANCE TIME. FARTHER WEST...CLEARING HAS OCCURRED WITH TEMPS NEAR 80. WRN EDGE OF MSTR AXIS EXTENDS ACROSS WC NEBR INTO WRN KS INTO LOW VCNTY OF VTN. ADAP CONTINUES TO INDCT BEST MSTR CONVG OVER NW NEBR/SW SDAK AND INTO NW KS. WHILE SOME STORMS COULD FORM ALONG MSTR GRAD/TROF... NO UPPER SHORT WAVE EVIDENT ON PROFS OR WV IMGRY. THE LOW IS PROGGED TO MOVE SOUTHEAST AND DROP A WIND SHIFT SOUTH WITH IT OVERNIGHT. ANY THAT DO FORM COULD BE SVR AS PER SWODY1. COULD BE MORE LATE TNGT ALONG SFC BNDRY SO WILL NOT ATTEMPT TO TIME PCPN OVERNIGHT . WHILE FWC GUIDANCE CONTINUES TO HIT TSTMS PROBS HARD THRU PERIOD... WILL STAY WELL BLO NUMBERS. ONE JET MAX HEADING NE ACROSS NEVADA ATTM MAY COME INTO PLAY TOMORROW...HWVR WITH SFC BNDRY SOUTH OF FA... BETTER CHANCES SHUD BE THU NGT. WITH NEW UPPER LOW OVER SW US...SERIES OF WAVES EJECTING OUT OF IT... AM NOT CONFIDENT IN MODELS DEPICTION OF THESE FEATURES FOR LATTER PDS OF FCST. WILL CONTINUE BLANKET POPS THU NGT INTO FRIDAY. TEMPWISE... PREFER ETA WITH MOVMNT OF SFC LOW TAKING IT FARTHER SOUTH BY THURS. THEREFORE...WILL GO WITH COOLER FAN READINGS FOR MAXES THURSDAY. FWC/FAN COMPRMS LOOKS IN ORDER FOR REMAINING PDS. GRI BB 060/076/058/075 6133 ODX BB 059/076/057/075 6133 LXN BB 057/077/056/078 6133 HBR BB 062/080/060/079 5233 BEL BB 064/083/062/080 4333 DROZD
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 1:15 PM CDT | Severe Thunderstorm Warning | GID | Hamilton, York | 45 min |
| Jun 11, 1:55 PM CDT | Severe Thunderstorm Warning | GID | Fillmore, York | 50 min |
| Jun 11, 2:14 PM CDT | Tornado Warning | GID | Fillmore | 31 min |
| Jun 11, 5:23 PM CDT | Severe Thunderstorm Warning | GID | Valley | 52 min |
| Jun 11, 6:03 PM CDT | Severe Thunderstorm Warning | GID | Dawson | 42 min |
| Jun 11, 6:33 PM CDT | Severe Thunderstorm Warning | GID | Gosper | 42 min |
| Jun 11, 6:55 PM CDT | Tornado Warning | GID | Sherman | 50 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1997Every severe thunderstorm warning in 1997
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.