Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 11, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jun 1, 1997, 8:32 PM MDT for Cherry County, Nebraska. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 1, 1997, 8:32 PM MDT (02:32 UTC)
- Expired
- Jun 1, 1997, 9:35 PM MDT
- In force
- 63 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Cherry County, NE
The radar
The North Platte radar (KLNX), 79 km from the middle of the area, began a volume at 02:31 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.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.5 hours before the alert went out and 163 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
- 185 J/kg
- Mixed-layer CIN
- -208 J/kg
- Mixed-layer LCL
- 1822 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLBF 020232 RRA SVRLBF NEC031-020335- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 932 PM CDT (832 PM MDT) SUN JUN 1 1997 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1035 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL NEBRASKA ...SOUTHWESTERN CHERRY COUNTY AT 929 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY NORTH PLATTE DOPPLER RADAR 47 MILES EAST NORTHEAST OF ALLIANCE OR 38 MILES SOUTH SOUTHWEST OF MERRIMAN MOVING EAST SOUTHEAST AT 40 MPH. THIS STORM IS EXPECTED TO REMAIN IN RURAL AREAS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. IF YOU ARE IN THE PATH OF THIS STORM YOU SHOULD MOVE INSIDE A STRONG BUILDING AND GO TO THE LOWEST FLOOR POSSIBLE. JRS/KAR
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 Jun 1, 1:52 PM MDT, 6 hours 40 minutes earlier.
Area forecast discussion, Jun 1, 1:52 PM MDT, 6 hours 40 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTH PLATTE NE 250 PM CDT SUN JUN 1 1997 PROBLEMS INCLUDE WHEN...WHERE AND HOW BAD TSTMS WILL BE BY THE TIME THEY REACH OUR CWA. 18Z SFC WITH COOL FRONT THROUGH THE ERN DAKS INTO SERN WY AND DRY LINE/ TROF FROM SERN CO INTO NEW MEX. A JUICY AND UNSTABLE AIRMASS AWAITS OVER THE HIGH PLAINS WITH A POOL OF 60 PLUS DEW PTS FROM MCK UP INTO THE DAKS AND ADDITIONAL MOISTURE ADVECTION FROM TX UP INTO SW KS. ADAP WITH LIFTEDS OF GREATER THAN -6 OVER THE PANHANDLE AND VERY LITTLE REMAINING CAP. VIS SATL...KCYS AND KFTG WITH CONVECTION INITATING FROM SERN WY DOWN INTO CO. THROUGH THE EVENING BEST CAPE...THETAE...AND LIFT REMAIN WEST OF CWA OVR PANHANDLE AND WOULD EXPECT TSTMS TO FIRE NEAR FRONT AND MOVE SOUTHEAST REACHING WESTERN PART OF CWA BY MID TO LATE EVENING. QUESTION IS HOW LONG CAN TSTMS HOLD TOGEATHER MOVING INTO MORE STABLE ATMOS. IN THE LONGER TERM MODELS SLOW MOVMENT OF SFC FRONT BEFORE WASHING OUT. THETAE RIDGE ALONG WITH BETTER LIFT MOVE INTO CWA AFTER 06Z AND LIKE THE TIMING OF THIS ETA FEATURE. ETA ALONE IN BRINGING SIG VORT MAX INTO WRN NE BY 12Z AND FEATURE IS PROBABLY OVERDONE BUT CLOSER THAN NGM/AVN. ZONE GROUPING BEST SPLIT WEST TO EAST SIMILAR TO THIS MORNINGS SET TO HANDLE TSTM MOVEMENT. FWC AND FAN NUMBERS SIMILAR AND GENERALLY FOLLOWED. LATE BECAUSE OF AFOS CRASH...AND MY PREVIOUS AFD WAS REALLY GREAT. VTN 058/073 055/075 5432 ANW 058/0:75 055/076 3322 ONL 057/082 055/077 -122 BBW 055/076 056/077 3532 LBF 057/075 055/076 5532 IML 058/078 056/077 6532 BOWMAN
In the hours before
Special weather statement, Jun 1, 4:49 PM MDT, 3 hours 43 minutes before
NEZ004-022-056-020500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 548 PM CDT (448 PM MDT) SUN JUN 1 1997 ...A TORNADO WATCH IS IN EFFECT UNTIL 11 PM MDT FOR THE EASTERN NEBRASKA PANHANDLE... A TORNADO WATCH IS IN EFFECT UNTIL 11 PM MDT FOR SHERIDAN...GARDEN AND DEUEL COUNTIES IN THE EASTERN NEBRASKA PANHANDLE. SOME COMMUNTIES IN THE WATCH INCLUDE RUSHVILLE...GORDON...OSHKOSH AND CHAPPELL. A COLD FRONT MOVING SLOWLY SOUTHEAST INTO THE WESTERN NEBRASKA PANHANDLE THIS EVENING WILL BE THE FOCUS FOR SEVERE THUNDERSTORM DEVELOPMENT...WITH THE POTENTIAL FOR TORNADIC THUNDERSTORMS. THUNDERSTORMS MOVING OFF THE HIGHER TERRRAIN ARE INCREASING IN INTENSITY AS THEY ENCOUNTER VERY UNSTABLE CONDITIONS...WITH TEMPERATURES INTO THE MID TO UPPER 80S AND A INCREASING MOISTURE SUPPLY. A LOW LEVEL JET IS EXPECTED TO INCREASE ALONG THE WESTERN HIGH PLAINS DURING THE EVENING AND ENHANCE SHEAR PROFILES TO FAVOR SUPERCELLS AND ISOLATED TORNADOES. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNING. THE KEY TO SURVIVAL IS ADVANCED PLANNING. YOU SHOULD KNOW WHERE THE SAFEST AREAS OF YOUR HOME OR BUSINESS ARE. WOOD
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 12:38 AM MDT | Severe Thunderstorm Warning | LBF | Chase, Hayes | 62 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.