Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 48, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Jun 20, 1997, 3:44 AM CDT for Buffalo County, Nebraska. It was in force for 31 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 20, 1997, 3:44 AM CDT (08:44 UTC)
- Expired
- Jun 20, 1997, 4:15 AM CDT
- In force
- 31 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
County Buffalo County, NE
The radar
The Grand Island radar (KUEX), 80 km from the middle of the area, began a volume at 08:48 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 20, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 8.7 hours before the alert went out and 132 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
- 275 J/kg
- Mixed-layer CIN
- -121 J/kg
- Mixed-layer LCL
- 3064 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGRI 200844 RRA SVRGRI NEC019-200915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HASTINGS NE 344 AM CDT FRI JUN 20 1997 THE NATIONAL WEATHER SERVICE IN HASTINGS NE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL NEBRASKA ...BUFFALO COUNTY STRONG WINDS OF 65 MPH AND HAIL UP TO AN INCH ARE POSSIBLE IN BUFFALO COUNTY THROUGH 415 AM. AT 340 AM...HASTINGS DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES NORTHEAST OF KEARNEY OR JUST NORTH OF RIVERDALE MOVING EAST AT 30 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING DAMAGING WINDS AND HAIL IN RIVERDALE...PLEASANTON AND RAVENNA BY 4 AM. HEAVY RAIN AND FREQUENT LIGHTNING WILL ALSO ACCOMPANY THIS STORM. TAKE SHELTER IN A REINFORCED SHELTER AND AWAY FROM WINDOWS UNTIL THE STORM PASSES. THIS IS A DANGEROUS STORM. BREWSTER/DROZD
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 20, 2:30 AM CDT, 1 hour 14 minutes earlier.
Area forecast discussion, Jun 20, 2:30 AM CDT, 1 hour 14 minutes before
CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 230 AM CDT FRI JUN 20 1997 TSTMS AND TEMPS MAIN CHALLENGES ONCE AGAIN. CURRENT TSTMS OVER FA HAVE PRODUCED WINDS OF 45-50 MPH...MAINLY SMALL HAIL AND HVY RAINS. H7 TEMPS ARE GNRLY 11-14C...QUITE WARM FOR MUCH IN THE WAY OF LARGE HAIL...BUT PCPN LOADING HAS CREATED THE STRONG WIND GUSTS. CURRENT LINE FORMATION OF TSTMS IN SE FA MORE PERPENDIC TO FLOW AND MAY CAUSE SOME ACCELERATION. ALTHOUGH GOOD LOW LVL MSTR CONVG PROGGED ALG WESTERN EDGE OF CONVECTION...PROFS SHOWING LLJ DIVERTING MOST MSTR NNEWD INTO ERN NEBR...WHERE MOIST TONGUE ALREADY RESIDES. WATCH MOST LIKELY TO BE CANCELLED BEFORE OR WITH MORNING ZFP ISSUANCE. WIL MONITOR FOR MNTN OF AM RAIN. AS MENTIONED...MOISTURE/INSTAB AXIS JUST EAST OF FA. BNDRY LIES ACROSS NRN NEBR. MODELS SAG IT SOUTH OVER COURSE OF TDA. DO NOT SEE A REASON FOR QUICK MOVMNT OF FRONT IN CONTINUED QUICK ZONAL FLOW ALF. SOME LOWERING OF HGHTS NOTED AT MID LVLS BY PROGS...AND ALSO SLGTLY EVIDENT ON WV IMGRY. HWVR...OUTLOW FROM CURRENT CONVECTION LIKELY TO SET UP CONVERGENT AREA MAY PROVIDE BETTER FOCUS FOR NEXT ROUND OF STORMS THIS AFTN WITH MAIN FRONT CREATING FOCUS FOR STORMS OVER CNTRL NEBR TNGT. ANOTHER WARM DAY ON TAP TODAY...HWVR ABOUT 5 DEGREES COOLER THAN THU. WILL PLACE POPS IN ERN FA THIS AFTN. FOR TNGT...AFOREMENTIONED LOWERING HGTS ACCOMPANIED BY COOLER AIR ALF WILL RESULT IN LITTLE INHIBITION...AND WHEN COMBINED WITH SFC BNDRY...SHOULD YIELD ANOTHER ROUND OF DECENT CONVECTION. CAPES OVER 3KJ/KG PROGGED. DIRECTIONAL SHEAR AT LOW LVLS MAY RESULT IN INCREASED PROB OF TORNADOES. ALSO H3 JET NOW OVER PAC NW WILL BE CROSSING NRN TIER TODAY PLACING GID IN RRQ TNGT. THIS WILL ENHANCE LIFT AND GIVEN STRG MSTR CONVG AND HIGH PWS...LEAD TO HVY RAINS. SUSPECT SOME RAIN TO LINGER INTO SAT MORNING THEN A COOLER DAY ON TAP FOR AREA. TSTMS WILL STILL BE PSBL DURING AFTN ACROSS NRN KS NEAR SFC BNDRY. 10 DEGREE COOL DOWN SATURDAY OF GUIDANCE IS ACCEPTED. GRI BB 094/064/082 363 ODX BB 093/063/081 362 LXN BB 095/062/084 151 HBR BB 096/068/084 363 BEL BB 097/070/086 365 DROZD
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 11:28 PM CDT | Severe Thunderstorm Warning | GID | Dawson, Gosper | 32 min |
| Jun 20, 12:02 AM CDT | Severe Thunderstorm Warning | GID | Dawson, Phelps | 28 min |
| Jun 20, 4:16 AM CDT | Severe Thunderstorm Warning | GID | Hall | 14 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.