Alert archive / Nebraska / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 75, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at May 2, 2001, 12:19 AM CDT for Valley County, Nebraska. It was in force for 26 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
- May 2, 2001, 12:19 AM CDT (05:19 UTC)
- Expired
- May 2, 2001, 12:45 AM CDT
- In force
- 26 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
County Valley County, NE
The radar
The North Platte radar (KLNX), 139 km from the middle of the area, began a volume at 05:19 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 |
|---|---|---|---|
| May 2, 12:35 AM CDT | Hail 0.75 | Ord, 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, 5.3 hours before the alert went out and 144 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
- 121 J/kg
- Mixed-layer CIN
- -240 J/kg
- Mixed-layer LCL
- 2340 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 485 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KGID 020519 SVRGRI NEC175-020545- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HASTINGS NE 1219 AM CDT WED MAY 2 2001 THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN VALLEY COUNTY IN CENTRAL NEBRASKA * UNTIL 1245 AM CDT * AT 1212 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES WEST OF ELYRIA...OR ABOUT 34 MILES NORTHEAST OF BROKEN BOW...MOVING EAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ORD AT 1225 AM CDT PEOPLE IN NORTHERN VALLEY COUNTY SHOULD SEEK SHELTER IN A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. DAMAGING THU3NDERSTORM WIND IN EXCESS OF 60 MPH AND LARGE HAIL THE SIZE OF DIMES IS LIKELY. $$ LAT...LON 4177 9920 4154 9915 4152 9875 4189 9875 09 NNNN
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 May 1, 1:30 PM CDT, 10 hours 49 minutes earlier.
Area forecast discussion, May 1, 1:30 PM CDT, 10 hours 49 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 130 PM CDT TUE MAY 1 2001 ...TEMPS/RAIN CHCS REMAIN THE MAIN QUESTIONS OF FCST... POWERFUL 140KT H3 JET SHOWN ON UAA & QUITE EVIDENT ON WV LOOP PUSHING OFF THE PAC INTO NW US...WL BE THE CATALYST FOR OUR CHANGE TO A VERY ACTIVE WX PATTERN THRU THE WEEKEND AS UPPER FLOW BUCKLES AND LEADS TO SW LO...WHICH WAITS TIL SAT/SUN TO MOVE ONTO THE PLAINS. LLVL MOISTURE IS IMPROVING OVER PLAINS...W/ A STREAM OF 60+F READINGS FROM ERN TX/OK/KS/NEB INTO IA & SRN MN. H85 FLOW ON AM UAA WAS FROM THE SW WITH 10C DWPT POOL FROM NE TX/E OK. 16Z PROFILERS STILL SHOW THIS SW FLOW...BUT MDLS SUGGEST A BACKING TO THE SOUTH THIS AFTN & EVENING...ALLOWING DECENT MOISTURE INTO ERN CWA ANYWAY. COLD FRONT EXTENDS FROM ONL TO SNY AT NOON. MVMT IS SLIGHTLY SLOWER THAN WHAT MDLS SUGGESTED YSTY/LAST NIGHT...WHICH WILL LEAD TO TSRA CHCS IN NRN CWA THIS EVE...THEN SHIFTING INTO SE NEB OVERNIGHT. WILL HAVE TO REWORD FCST AS SUCH. STILL ERN AREAS LOOK TO HAVE BEST SHOT AND WILL KEEP AT LEAST LIKELY POPS. COLD FRONT THRU AREA BY 12Z WED & AGREE W/ MID SHIFT THAT SUN WL HELP GET US BACK INTO THE 60/65 RANGE. PCPN CHC DURING DAY SEEM MINIMAL... SO WL NOT UP THE 20%. STILL LOOKS LIKE PCPN MOVES BACK INTO CWA LATE WED NIGHT INTO THURSDAY AS WV EJECT INTO PLAINS FROM THE SW & PERHAPS COMBINES W/ RRQ OF JET TO OUR NRN TO PRODUCE SIGNIFICANT OVERRUNNING. WILL KEEP LIKELY POPS. BY THU...CLDCVR AND CONTD CAA W/ MAKE FOR A COOL DAY. MAY KEEP TEMPS IN THE 50S NW TO 60S SE. SAME SETUP THU NIGHT INTO FRIDAY AS NEXT SIGNIFICANT WAVE ROTATES UP AROUND THE UPPER LOW. HAVE TO THINK AVN HAS BLOWN A FUSE IN GIVING SE 1/2 OF CWA 2 TO 4 INCHES OF RAIN FROM 06Z FRI-06Z SAT. STILL...GOOD CHC OF RAIN/TSRAS LOOKS IN ORDER. AVN TRENDING TOWARD LIFTING UPPER LO MORE N AS IT PHASES W/ NEXT NW US SYSTEM...PULLING A BULK OF THE PCPN N & E OF AREA BY WEEKEND. WONT BUY INTO THIS JUST YET AS 60HR ETA FCST HAS A MORE SOUTHERN POSITION OF UPPER LO IN SW...MAKING PHASING MORE DIFFICULT. NOGAPS & CANADIAN SUGGEST THAT EVEN IF THIS SCENARIO OCCURS...IT WL BE SLOWER THAN AVN SHOWS...KEEPING DRY SLOT OUT OF CWA MUCH OF WEEKEND. WONT CHANGE THE EXTENDED MUCH. JUST WORD FRI AS LIKELY PCPN -VS- CHC ON WEEKEND. FRI WL PROBABLY BE COOLER THAN WEEKEND AS WELL. DRY BY TUE...IF NOT MON. .GID...NONE. GURNEY
In the hours before
Special weather statement, May 1, 8:47 PM CDT, 3 hours 32 minutes before
NEZ046-061-020245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HASTINGS NE 847 PM CDT TUE MAY 1 2001 ...SEVERE THUNDERSTORM WATCH #183 HAS BEEN CANCELLED FOR BUFFALO AND SHERMAN COUNTIES IN SOUTH CENTRAL NEBRASKA... SHOWERS AND THUNDERSTORMS ARE STILL EXPECTED OVER BUFFALO AND SHERMAN COUNTIES OVERNIGHT. NONE THOUGH ARE EXPECTED TO BECOME SEVERE. FOR THE REST OF TONIGHT...THE THREAT FOR SEVERE WEATHER WILL BE FOCUSED MAIN%LY EAST OF A LINE FROM ST PAUL TO WOOD RIVER. PLEASE STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE LOCAL MEDIA FOR THE LATEST SEVERE WEATHER INFORMATION. DEE
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 12:30 AM CDT | Severe Thunderstorm Warning | GID | Greeley | 45 min |
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; radar from the NEXRAD Level II archive.