Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 15, NWS Hastings, NE
NWS Hastings, NE issued this tornado warning at May 21, 1998, 8:40 AM CDT for Dawson County, Gosper County, Nebraska. It was in force for 60 min. 6 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
- May 21, 1998, 8:40 AM CDT (13:40 UTC)
- Expired
- May 21, 1998, 9:40 AM CDT
- In force
- 60 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
Counties Dawson County, NE, Gosper County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 21, 8:45 AM CDT | Hail 1.75 | Johnson Res, NE | |
| May 21, 9:04 AM CDT | Hail 1.75 | Lexington, NE | |
| May 21, 9:14 AM CDT | Hail 1.75 | Overton, NE | |
| May 21, 9:30 AM CDT | Hail 1 | Elwood, NE | |
| May 21, 9:35 AM CDT | Hail 2.75 | Overton, NE | |
| May 21, 9:50 AM CDT | Hail 1.75 | Overton, 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 12:00Z, 1.7 hours before the alert went out and 81 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
- 379 J/kg
- Mixed-layer CIN
- -274 J/kg
- Mixed-layer LCL
- 943 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
244 WFUS1 KGRI 211343 RRA TORGRI NEC047-073-211440- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HASTINGS NE 840 AM CDT THU MAY 21 1998 THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A * TORNADO WARNING FOR PEOPLE IN... DAWSON COUNTY IN SOUTH CENTRAL NEBRASKA NORTHERN GOSPER COUNTY IN SOUTH CENTRAL NEBRASKA * UNTIL 940 AM CDT * AT 935 AM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 15 MILES SOUTHWEST OF LEXINGTON... MOVING NORTH NORTHEAST AT 25 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... ELWOOD BY 840 AM JOHNSON LAKE BY 850 AM LEXINGTON BY 905 AM TAKE SHELTER IN A BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS GRIFFITH
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at May 21, 2:35 AM CDT, 6 hours 5 minutes earlier.
Area forecast discussion, May 21, 2:35 AM CDT, 6 hours 5 minutes before
CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 235 AM CDT THU MAY 21 1998 ...MAIN CONCERN WILL BE TIMING PERIODS OF CONVECTION OVER THE NEXT FEW DAYS... 00Z UAA CONTD TO HAVE UPPER RIDGE FROM THE GULF COAST ON INTO THE NRN PLAINS. NO BIG SIGNS OF WEAKENING YET...ASIDE FROM SOME HGHT FALLS INTO SRN CA/AZ AS UPPER LO ON OR COAST DROPS SE. THIS LOW FCST TO EDGE TO THE EAST OVER NEXT FEW DAYS WHICH WILL PUSH RIDGE AXIS SLIGHTLY TO THE EAST. THIS WILL MEAN BETTER DYNAMICS OVERALL FOR US AS TIME GOES ON. OTHERWISE...H85 FRONT REMAINS DRAPED OVER AREA FROM LOW PRES IN WY SE TO NE/KS BORDER AND DUE EAST FROM THERE. GOOD MOISTURE POOLING FROM WRN MO INTO ERN KS...BUT LLJ IS PRETTY WK TONIGHT. 06Z SFC CHART HAD FRONT DRAPED FROM CNTRL MO ACROSS CNTRL KS TO WK LO IN SW KS THEN ON NW INTO SE WY/NRN UT AREA. HI PRES ENCOMPASSED MUCH OF THE UPPER MIDWEST. LL MOISTURE STILL ABUNDANT WITH DWPTS IN THE MID 60S TO LOWER 60S FROM JUST NORTH OF SFC FRONT SOUTH. MDLS LIFT DECENT VORT OUT OVER AREA TODAY. THIS WAVE SHOWS UP ON SAT PIX BUT DOESNT EXACTLY STAND OUT. ETA/NGM CONSISTENT IN FIRING MORE STORMS ACROSS NRN AND EVENTUALLY ERN AREAS ABOUT DAYBREAK WITH THIS WAVE & ITS INTERACTION WITH CONVECTIVE REMAINS CURRENTLY SKIRTING THE AREA. HENCE...WILL LEAVE 30% POPS IN FCST THIS MORNING...AT LEAST FOR A BULK OF CWA. NEXT WAVE BEHIND IT IS MUCH STRONGER AND IS PROGGED TO AFFECT AREA LATE TODAY AND TONIGHT. GIVEN LOCATION OF SFC FRONT AND MOISTURE POOL IN PLACE...ADD THE DYNAMICS WITH THIS STRONG WAVE...AND YOU GET SPCS MODERATE RISK OVER WRN NEB. WILL BUMP POPS UP TO LIKELY OVERNIGHT...AND 30% POPS IN FCST FRI AM SEEM REASONABLE WITH SOME LEFTOVER ACTIVITY. BASICALLY LOOKS ACTIVE LATE FRIDAY (INTO THE EVENING) AS WELL AS SFC LO IN ERN CO WINDS UP AND DRY SLOT PUNCHES NE INTO CWA. WILL FOCUS LATE DAY CONVECTION IN THE ERN AND NRN CWA. AS FOR TEMPS...NEXT FEW DAYS SHOULDNT BE TOO BAD AS WE REMAIN JUST NORTH OF FRONT. WILL RANGE TEMPS FROM THE UPPER 70S NE TO LOWER 80S SW. NRN KS WILL BE WARMER RIGHT AT FRONTAL BOUNDARY AND HAVE NO QUALMS GOING 85 TO 90. POPS THRU KS WILL BE LOWER WITH NOTURNAL CONVECTION LIKELY FOCUSING NORTH OF FRONT. WILL LEAVE 20S AND 30S IN FOR POPS THO. GRI BB 080/58/81 363 HEB BB 081/60/82 363 ODX BB 078/56/79 363 LXN BB 082/57/82 263 BEL BB 086/64/84 232 GURNEY
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 8:06 AM CDT | Severe Thunderstorm Warning | GID | Dawson | 64 min |
| May 21, 8:24 AM CDT | Severe Thunderstorm Warning | GID | Gosper | 46 min |
| May 21, 8:30 AM CDT | Severe Thunderstorm Warning | GID | Dawson | 65 min |
| May 21, 9:20 AM CDT | Tornado Warning | GID | Gosper | 60 min |
| May 21, 9:27 AM CDT | Tornado Warning | GID | Buffalo | 63 min |
| May 21, 9:42 AM CDT | Tornado Warning | GID | Dawson | 33 min |
| May 21, 10:02 AM CDT | Severe Thunderstorm Warning | GID | Phelps | 48 min |
| May 21, 10:32 AM CDT | Tornado Warning | GID | Buffalo | 63 min |
| May 21, 11:03 AM CDT | Severe Thunderstorm Warning | GID | Kearney | 32 min |
| May 21, 11:32 AM CDT | Severe Thunderstorm Warning | GID | Adams, Hall | 58 min |
| May 21, 11:38 AM CDT | Severe Thunderstorm Warning | GID | Kearney | 32 min |
| May 21, 12:30 PM CDT | Severe Thunderstorm Warning | GID | Hamilton | 65 min |
| May 21, 12:47 PM CDT | Severe Thunderstorm Warning | GID | Clay | 63 min |
| May 21, 1:24 PM CDT | Severe Thunderstorm Warning | GID | Fillmore, York | 61 min |
| May 21, 6:57 PM CDT | Severe Thunderstorm Warning | GID | Gosper, Phelps | 33 min |
Nearby
Tornado Warnings in Nebraska, 1998Every tornado warning in 1998Tornadoes in 1998
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.