Alert archive / Nebraska / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 173, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Jul 22, 2001, 9:24 PM CDT for Buffalo County, Nebraska. It was in force for 51 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
- Jul 22, 2001, 9:24 PM CDT (02:24 UTC)
- Expired
- Jul 22, 2001, 10:15 PM CDT
- In force
- 51 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
County Buffalo County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 22, 9:30 PM CDT | Thunderstorm Wind 52 E | Pleasanton, 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 nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.4 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
- 683 J/kg
- Mixed-layer CIN
- -211 J/kg
- Mixed-layer LCL
- 2041 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 Jul 22, 2:55 PM CDT, 6 hours 29 minutes earlier.
Area forecast discussion, Jul 22, 2:55 PM CDT, 6 hours 29 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE...CORRECTED FOR HEAT ADVISORY KS 255 PM CDT SUN JUL 22 2001 ...PRCIP CHANCES TONIGHT WILL BE PRIMARY CONCERN THIS FORECAST PACKAGE... 12Z MORNING UPPER AIR ANALYSIS SHOWED SUBTLE CHANGES FROM PREVIOUS 24 HOURS. 5910M UPPER RIDGE NOW CENTERED OVER NE OK/SW MO. EASTERN PROGRESSION OF WRN TROUGH AND ASSOCIATED VORT ENERGY WILL BEGIN TO FLATTEN OUT RIDGE WITH MORE OF A W-E ORIENTATION. MOST SIGNIFICANT CHANGES SEEN IN STRENGTH OF SHORTWAVES ROTATING THROUGH WRN TROUGH ENERGY. TODAY THE MOST NOTABLE WAVE IS OVER NE CO AT H5 IN DEEP MOISTURE PLUME THAT EXTENDS BORDER TO BORDER THROUGH CONUS. TEMPS IN MID LEVELS HAVE NOT CHANGED DURING PAST 24 HOURS...AND EXPECT THIS S/W TO HAVE MINIMAL IMPACT IN REDUCING CAP STRENGTH AT H7 SINCE WARM TEMPS STILL IN PLACE BEHIND WAVE OVR WRN WY. ANOTHER SPOT TO WATCH WILL BE OVER ERN NEB/NE KS WHERE CAP IS ALREADY RELATIVELY WEAK AT 11C. THIS IS SLIGHTLY WEAKER THAN LAST NIGHT WHERE CONVECTION FIRED OFF IN OUR ERN KS ZONES...AND CONTINUED THIS MORNING BEFORE SUNRISE. 18Z VIS SAT PIX INDICATING CU FORMATION QUITE A BIT EARLIER THAN YESTERDAY. ALSO...MOISTURE CONVERGENCE LOOKS BEST IN THIS AREA THIS EVENING PER THE AVN PROG...IN SPITE OF HPC THINKING IT TO BE TOO FAR NORTH. SPEAKING OF MODEL SOLUTIONS...ACCORDING TO THE ETA...IT LOOKS LIKE ANOTHER THING WELL HAVE GOING FOR US TONIGHT WILL BE AN H85 THETA E RIDGE. ADDED KICK FROM S/W JUST MAY BE ENOUGH TO GET THINGS GOING IN WEST EARLY...ALTHOUGH EXACT PLACEMENT WILL BE DIFFICULT CONSIDERING DEPENDENCE ON BOUNDARY INTERACTIONS. LEE TROUGH EMANATING FROM LOW OVER WRN NEB SEEING BETTER ORGANIZATION FROM 16Z THROUGH WRN KS. FURTHER EAST...POSITION OF LINGERING SFC BOUNDARY INTO IA FROM LAST NIGHTS NOCTURNAL CONVECTION WILL BE KEY FACTOR OVERNIGHT. AS H85 LLJ STIRS THE MIX BY 06Z...THINK THE AREA TO WATCH WILL BE IN NRN AND ERN CWFA AND WILL RECONFIGURE ZONE GROUPING TO REFLECT THIS. ANY DEVELOPMENT THERE AFTER 06Z IS PROGGED BY ETA TO BACKBUILD AS SFC LOW MIGRATES EAST. CORFIDI VECTORS PROPAGATE ANY MCS S-SWWARD . AS FOR THE ADVANCEMENT OF THE ADVERTISED SURFACE FRONT...HEIGHT RISES OVER NE WY WERE 4MB/3HR BEHIND SFC LOW OVER WRN NEB AT 12Z. TSRA HAD ALREADY FIRED IN THIS AREA BY NOON AND GIVES SOME INDICATION OF STRENGTH OF LOW. ALTHOUGH SIGNIFICANTLY COOLER AIR STILL LAGS BEHIND OVER NRN MT...HEAT ADVISORY CRITERIA WILL BE NON-ISSUE IN NEBRASKA ZONES BEYOND THIS EVENING AND INCLINED TO LET IT GO. HOWEVER...AFTER COORDINATION WITH TOP WILL BE EXTENDING HEAT ADVISORY THROUGH TOMORROW FOR KS ZONES BASED ON EXPECTATION OF SFC FRONT PLACEMENT CONFINED TO NEB AND POOLING MOISTURE AHEAD OF IT. TSRA CHANCES MON NIGHT PERIOD WILL AGAIN BE CONCERN AS BOUNDARY WILL BE CLOSER TO HOME IN UNSTABLE ENVIRONMENT. LOOKS TO BE BETTER SHOT OVERALL WITH KS ZONES ALSO INCLUDED THIS TIME AROUND. NEXT CONCERN IS FOR TEMPS REST OF THE WEEK. SKEPTICISM ABOUNDS WITH NUMERICAL GUIDANCE OF 10 DEGREE DROP IN TEMPS TOMORROW...FOLLOWED BY 20 DEGREE DROP ON TUES. BELIEVE THIS CAN BE ATTRIBUTED TO AVN COLD BIAS AS SEEN DURING SIMILAR REGIMES. AS SFC LOW SKIRTS EAST MONDAY...TEMPORARY WIND SHIFT IS WITHIN REALM OF POSSIBILITY AND WILL HOLD WITH LOWER 90S. IN THE EXTENDED PERIOD...LONG TERM MODELS IN AGREEMENT AND FAIRLY CONSISTENT. LOOKS LIKE GOING FORECAST IS ODD MAN OUT WITH ADJACENT WFOS GOING 80S FROM TUES ON. MRF/ECMWF THICKNESS TRENDS DO SUGGEST COOLER VALUES THRU WEEK WITH GOOD CHANCE FOR PRECIP EVENT WED OR THUR. BEYOND THAT...WILL LEAVE FRI-WEEKEND DRY WITH TEMPS REBOUNDING INTO LOWER 90S. .GID...HEAT ADVISORY TONIGHT AND MONDAY KSZ005>007-017>019. 33
Nearby
Severe Thunderstorm Warnings in Nebraska, 2001Every severe thunderstorm warning in 2001
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.