Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 48, NWS Hastings, NE
NWS Hastings, NE issued this tornado warning at Jul 6, 1998, 4:31 PM CDT for Dawson County, Nebraska. It was in force for 34 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 6, 1998, 4:31 PM CDT (21:31 UTC)
- Expired
- Jul 6, 1998, 5:05 PM CDT
- In force
- 34 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
County Dawson County, NE
The radar
The Grand Island radar (KUEX), 131 km from the middle of the area, began a volume at 21:30 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 |
|---|---|---|---|
| Jul 6, 4:45 PM CDT | Tornado F0 | Lexington, 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, 9.5 hours before the alert went out and 72 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
- 967 J/kg
- Mixed-layer CIN
- -226 J/kg
- Mixed-layer LCL
- 1761 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
094 WFUS1 KGRI 062132 RRA TORGRI NEC047-062205- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HASTINGS NE 431 PM CDT MON JUL 6 1998 THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A * TORNADO WARNING FOR PEOPLE IN... NORTHEASTERN DAWSON COUNTY IN SOUTH CENTRAL NEBRASKA * UNTIL 505 PM CDT * AT 428 PM... DOPPLER RADAR AND SPOTTER REPORTS INDICATED A TORNADO 5 MILES SOUTH OF EDDYVILLE OR 15 MILES NORTHEAST OF LEXINGTON... MOVING EAST AT 25 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... SUMNER BY 440 PM IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR ROOM 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 Jul 6, 2:47 PM CDT, 1 hour 44 minutes earlier.
Area forecast discussion, Jul 6, 2:47 PM CDT, 1 hour 44 minutes before
CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 247 PM CDT MON JUL 6 1998 ...MAIN CHALLENGE IS TIMING/LOCATION OF THUNDERSTORMS... IN PAST 30 MINUTES THUNDERSTORMS HAVE FIRED OVER N CENTRAL NEBRASKA ALONG AND NEAR FRONT WHICH EXTENDS FROM SURFACE LOW 40 N LBF EAST TO BETWEEN ONL AND ANW...THEN TO NEAR OFK. SURFACE TROF/COOL FRONT EXTENDS FROM LOW SW TO NEAR GLD. GRI DEWPOINT STILL 77 WITH MID 70S OVER REST OF CWA. AWIPS LAPS DATA SHOWS CAPES UP TO 5800 J/KG WITH MAX FROM OKX-LXN...AND CIN NEARLY DOWN TO ZERO OVER WRN HALF OF STATE. MODELS SIMILAR WITH QPF THROUGH 36 HOURS...AND ALL AGREE ON A HEAVY RAIN EVENT FOR THE NE HALF OF CWA OVERNIGHT. NOT SURPRISING GIVEN SUCH HIGH PRECIPITAL WATER VALUES...OVER 2 INCHES IN NE NEBRASKA. THE PROPAGATION COMPONENT OF THE CORFIDI VECTORS IS RATHER WEAK WITH LACK OF LOW LEVEL JET...THUS WITH THE MEAN THICKNESS AND WIND PATTERNS GENERALLY FROM W TO E TONIGHT EXPECT MUCH OF THE NRN DEVELOPMENT TO STAY N OF I-80. AS FRONTAL BOUNDARY SLOWLY DROPS S OVERNIGHT AND SHORTWAVE PULLS OUT OF HIGH PLAINS...COULD EASILY SEE A TRAINING OF STORMS ALONG FRONTAL BOUNDARY...PRODUCING VERY HEAVY RAINS OVER NE CWA COUNTIES AND INTO OMA CWA. WILL COVER ALL OF CWA WITH POPS TONIGHT WITH ADDITIONAL DEVELOPMENT OVER SW NEBRASKA. LIGHTNING DATA ALREADY SHOWING INCREASED DEVELOPMENT OVER NW KS ON SRN EDGE OF SURFACE TROF. THEN TUE NT THE FRONT SHOULD HANG UP NEAR KS/NE BORDER AND WILL AGAIN MENTION POPS WITH THIS FEATURE. HIGHS TUE AND WED SHOULD BE A BIT COOLER THAN TODAYS ESPECIALLY ON N SIDE OF FRONT...AND POSSIBLE LINGERING MORNING SHOWERS. COMPROMISE OF FAN/FWC USED BUT BOTH WERE SIMILAR. GRI BB 071/092/067/089/065 432 NIETFELD
In the hours before
Special weather statement, Jul 6, 11:43 AM CDT, 4 hours 48 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-070500- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 1143 AM CDT MON JUL 6 1998 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTIVATION....SPOTTER ACTIVATION MAY BE NEEDED ACROSS PARTS OF CENTRAL NEBRASKA LATE THIS AFTERNOON AND THIS EVENING. SYNOPSIS.... VERY UNSTABLE AIR WILL REMAIN IN PLACE THIS AFTERNOON AND THIS EVENING OVER CENTRAL NEBRASKA...WITH TEMPERATURES IN THE 90S AND DEWPOINT TEMPERATURES IN THE MIDDLE 70S. A STATIONARY FRONT EXTENDS FROM NORTHERN IOWA TO ALONG THE NEBRASKA/SOUTH DAKOTA BORDER...AND IS EXPECTED TO REMAIN THERE THROUGH THE EVENING HOURS. A WEAK AREA OF LOW PRESSURE IN THE UPPER ATMOSPHERE WILL MOVE INTO THE DAKOTAS LATE THIS AFTERNOON...WHICH WILL HELP TRIGGER THUNDERSTORMS NEAR THE WARM FRONT OVER NORTHERN NEBRASKA AND SOUTH DAKOTA. THESE STORMS SHOULD THEN MOVE EAST OR SOUTHEAST...ACROSS THAT PART OF CENTRAL NEBRASKA GENERALLY NORTH OF INTERSTATE 80. BECAUSE THE AIR IS SO UNSTABLE...THE STORMS MAY QUICKLY BECOME SEVERE. LARGE HAIL...DAMAGING WINDS...AND VERY HEAVY RAIN WILL BE THE MAIN THREATS. DDN
Special weather statement, Jul 6, 11:43 AM CDT, 4 hours 48 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-070500- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 1143 AM CDT MON JUL 6 1998 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTIVATION....SPOTTER ACTIVATION MAY BE NEEDED ACROSS PARTS OF CENTRAL NEBRASKA LATE THIS AFTERNOON AND THIS EVENING. SYNOPSIS.... VERY UNSTABLE AIR WILL REMAIN IN PLACE THIS AFTERNOON AND THIS EVENING OVER CENTRAL NEBRASKA...WITH TEMPERATURES IN THE 90S AND DEWPOINT TEMPERATURES IN THE MIDDLE 70S. A STATIONARY FRONT EXTENDS FROM NORTHERN IOWA TO ALONG THE NEBRASKA/SOUTH DAKOTA BORDER...AND IS EXPECTED TO REMAIN THERE THROUGH THE EVENING HOURS. A WEAK AREA OF LOW PRESSURE IN THE UPPER ATMOSPHERE WILL MOVE INTO THE DAKOTAS LATE THIS AFTERNOON...WHICH WILL HELP TRIGGER THUNDERSTORMS NEAR THE WARM FRONT OVER NORTHERN NEBRASKA AND SOUTH DAKOTA. THESE STORMS SHOULD THEN MOVE EAST OR SOUTHEAST...ACROSS THAT PART OF CENTRAL NEBRASKA GENERALLY NORTH OF INTERSTATE 80. BECAUSE THE AIR IS SO UNSTABLE...THE STORMS MAY QUICKLY BECOME SEVERE. LARGE HAIL...DAMAGING WINDS...AND VERY HEAVY RAIN WILL BE THE MAIN THREATS. DDN
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 4:52 PM CDT | Severe Thunderstorm Warning | GID | Greeley | 38 min |
| Jul 6, 5:18 PM CDT | Severe Thunderstorm Warning | GID | Buffalo, Dawson | 42 min |
| Jul 6, 5:57 PM CDT | Severe Thunderstorm Warning | GID | 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; radar from the NEXRAD Level II archive.