Alert archive / Nebraska / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 1, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Apr 8, 1999, 11:21 AM CDT for Merrick County, Nance County, Nebraska. It was in force for 39 min. 4 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
- Apr 8, 1999, 11:21 AM CDT (16:21 UTC)
- Expired
- Apr 8, 1999, 12:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
Counties Merrick County, NE, Nance County, NE
The radar
The Grand Island radar (KUEX), 113 km from the middle of the area, began a volume at 16:21 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 |
|---|---|---|---|
| Apr 8, 11:40 AM CDT | Hail 0.75 | Fullerton, NE | |
| Apr 8, 11:54 AM CDT | Tornado F1 | Clarks, NE | |
| Apr 8, 11:55 AM CDT | Thunderstorm Wind 52 | Silver Creek, NE | |
| Apr 8, 11:56 AM CDT | Tornado F0 | Belgrade, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 8, 6:30 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 4.4 hours before the alert went out and 217 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
- 200 J/kg
- Mixed-layer CIN
- -178 J/kg
- Mixed-layer LCL
- 677 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 419 m²/s²
- 0-3 km storm-relative helicity
- 469 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Apr 8, 3:55 AM CDT, 7 hours 26 minutes earlier.
Area forecast discussion, Apr 8, 3:55 AM CDT, 7 hours 26 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 355 AM CDT THU APR 8 1999 ...THUNDERSTORM COVERAGE...POSSIBLY SEVERE...AND WIND SPEEDS MAIN CONCERN TODAY... IR IMG CONTINUES TO SHOW LOW LEVEL STATUS (LL MOISTURE) AND SOME ACC DEVELOPMENT SE OF LINE FORM LNK TO HLC. EXPECT THESE CLOUDS TO ADVANCE NORTHWARD OVER SE CWA AND INCREASE INSTABILITY THIS MORNING IN ADVANCE OF STRONG SFC LOW. LOOKS LIKE AVN MODEL TO GO WITH FOR TRACKING THIS SYSTEM ACROSS THE PLAINS THIS MORNING AS IT SEEMS TO HANDLE SFC FEATURES WELL. MENTIONED LIKELY CHANCE OF THUNDERSTORMS OVER EASTERN CWA TODAY NEAR BEST MOIST ADV AND LIFT. 88D SHOWING SOME REFLECTIVITY RETURNS OF 25 DBZ NORTH OF I-80 FROM YORK TO LNK. EXPECT DRY SLOT OVER WESTERN CWA AND TRIMMED BACK POPS TO 40% CHANCE FOR TODAY. WIND ADVISORY THIS AFTERNOON ALL CWA EXCEPT NORTHERN SEVEN COUNTIES CLOSER TO LOW AND BLENDS WELL WITH OTHER WARNING AREAS. PRETTY MUCH WENT WITH GUID ON TEMPS BUT RAISE THEM A HAIR IN NC KS EXTRM SOUTHERN NEBR WITH GOOD AFTERNOON SUN AND WEST DOWNSLOPING WIND. EXTENDED...ONLY CHANGE MADE WAS CHANCE A SHOWERS AND THUNDERSTORMS ON MONDAY...OTHERWISE LEFT AS IS. .GID...WIND ADVISORY THIS AFTERNOON ALONG AND SOUTH OF INTERSTATE-80 PURDY
In the hours before
Special weather statement, Apr 8, 10:27 AM CDT, 54 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-091200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 1027 AM CDT THU APR 8 1999 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTION... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON FOR AREAS GENERALLY EAST OF EAST OF THE TRI CITIES. SYNOPSIS... A STRONG LOW PRESSURE SYSTEM IS MOVING ACROSS NEBRASKA TODAY. WARM AND MOIST AIR IS BEING PULLED NORTH INTO THE LOW AND WILL CREATE A VERY UNSTABLE ATMOSPHERE. ALSO THERE WILL BE A HIGH DEGREE OF WIND SHEAR WITH THIS SYSTEM...WHICH WILL HELP A FEW STORMS DEVELOP INTO SUPERCELLS. LOCATIONS TO EAST OF A LINE FROM SMITH CENTER KANSAS TO GRAND ISLAND NEBRASKA WILL SEE THE GREATEST RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING WINDS. HOWEVER AN ISOLATED TORNADO IS NOT OUT OF THE QUESTION. THIS OUTLOOK PERTAINS TO THE FOLLOWING 30 COUNTIES... IN NORTH CENTRAL KANSAS... PHILLIPS ROOKS SMITH JEWELL OSBORNE MITCHELL IN SOUTH CENTRAL NEBRASKA... VALLEY GREELEY NANCE SHERMAN HOWARD MERRICK POLK YORK HAMILTON HALL BUFFALO DAWSON GOSPER PHELPS KEARNEY ADAMS CLAY FILLMORE THAYER NUCKOLLS WEBSTER FRANKLIN HARLAN FURNAS DDN
Special weather statement, Apr 8, 10:27 AM CDT, 54 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-091200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 1027 AM CDT THU APR 8 1999 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTION... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON FOR AREAS GENERALLY EAST OF EAST OF THE TRI CITIES. SYNOPSIS... A STRONG LOW PRESSURE SYSTEM IS MOVING ACROSS NEBRASKA TODAY. WARM AND MOIST AIR IS BEING PULLED NORTH INTO THE LOW AND WILL CREATE A VERY UNSTABLE ATMOSPHERE. ALSO THERE WILL BE A HIGH DEGREE OF WIND SHEAR WITH THIS SYSTEM...WHICH WILL HELP A FEW STORMS DEVELOP INTO SUPERCELLS. LOCATIONS TO EAST OF A LINE FROM SMITH CENTER KANSAS TO GRAND ISLAND NEBRASKA WILL SEE THE GREATEST RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING WINDS. HOWEVER AN ISOLATED TORNADO IS NOT OUT OF THE QUESTION. THIS OUTLOOK PERTAINS TO THE FOLLOWING 30 COUNTIES... IN NORTH CENTRAL KANSAS... PHILLIPS ROOKS SMITH JEWELL OSBORNE MITCHELL IN SOUTH CENTRAL NEBRASKA... VALLEY GREELEY NANCE SHERMAN HOWARD MERRICK POLK YORK HAMILTON HALL BUFFALO DAWSON GOSPER PHELPS KEARNEY ADAMS CLAY FILLMORE THAYER NUCKOLLS WEBSTER FRANKLIN HARLAN FURNAS DDN
Special weather statement, Apr 8, 10:42 AM CDT, 39 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-091200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 1042 AM CDT THU APR 8 1999 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTION... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON FOR AREAS GENERALLY EAST OF EAST OF THE TRI CITIES. SYNOPSIS... A STRONG LOW PRESSURE SYSTEM IS MOVING ACROSS NEBRASKA TODAY. WARM AND MOIST AIR IS BEING PULLED NORTH INTO THE LOW AND WILL CREATE A VERY UNSTABLE ATMOSPHERE. ALSO THERE WILL BE A HIGH DEGREE OF WIND SHEAR WITH THIS SYSTEM...WHICH WILL HELP A FEW STORMS DEVELOP INTO SUPERCELLS. LOCATIONS TO EAST OF A LINE FROM SMITH CENTER KANSAS TO GRAND ISLAND NEBRASKA WILL SEE THE GREATEST RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING WINDS. HOWEVER AN ISOLATED TORNADO IS NOT OUT OF THE QUESTION. THIS OUTLOOK PERTAINS TO THE FOLLOWING 30 COUNTIES... IN NORTH CENTRAL KANSAS... PHILLIPS ROOKS SMITH JEWELL OSBORNE MITCHELL IN SOUTH CENTRAL NEBRASKA... VALLEY GREELEY NANCE SHERMAN HOWARD MERRICK POLK YORK HAMILTON HALL BUFFALO DAWSON GOSPER PHELPS KEARNEY ADAMS CLAY FILLMORE THAYER NUCKOLLS WEBSTER FRANKLIN HARLAN FURNAS DRK
Special weather statement, Apr 8, 10:42 AM CDT, 39 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-091200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 1042 AM CDT THU APR 8 1999 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTION... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON FOR AREAS GENERALLY EAST OF EAST OF THE TRI CITIES. SYNOPSIS... A STRONG LOW PRESSURE SYSTEM IS MOVING ACROSS NEBRASKA TODAY. WARM AND MOIST AIR IS BEING PULLED NORTH INTO THE LOW AND WILL CREATE A VERY UNSTABLE ATMOSPHERE. ALSO THERE WILL BE A HIGH DEGREE OF WIND SHEAR WITH THIS SYSTEM...WHICH WILL HELP A FEW STORMS DEVELOP INTO SUPERCELLS. LOCATIONS TO EAST OF A LINE FROM SMITH CENTER KANSAS TO GRAND ISLAND NEBRASKA WILL SEE THE GREATEST RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING WINDS. HOWEVER AN ISOLATED TORNADO IS NOT OUT OF THE QUESTION. THIS OUTLOOK PERTAINS TO THE FOLLOWING 30 COUNTIES... IN NORTH CENTRAL KANSAS... PHILLIPS ROOKS SMITH JEWELL OSBORNE MITCHELL IN SOUTH CENTRAL NEBRASKA... VALLEY GREELEY NANCE SHERMAN HOWARD MERRICK POLK YORK HAMILTON HALL BUFFALO DAWSON GOSPER PHELPS KEARNEY ADAMS CLAY FILLMORE THAYER NUCKOLLS WEBSTER FRANKLIN HARLAN FURNAS DRK
Special weather statement, Apr 8, 10:53 AM CDT, 28 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-091200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 1053 AM CDT THU APR 8 1999 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTION... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON FOR AREAS GENERALLY EAST OF EAST OF THE TRI CITIES. SYNOPSIS... A STRONG LOW PRESSURE SYSTEM IS MOVING ACROSS NEBRASKA TODAY. WARM AND MOIST AIR IS BEING PULLED NORTH INTO THE LOW AND WILL CREATE A VERY UNSTABLE ATMOSPHERE. ALSO THERE WILL BE A HIGH DEGREE OF WIND SHEAR WITH THIS SYSTEM...WHICH WILL HELP A FEW STORMS DEVELOP INTO SUPERCELLS. LOCATIONS TO EAST OF A LINE FROM SMITH CENTER KANSAS TO GRAND ISLAND NEBRASKA WILL SEE THE GREATEST RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING WINDS. HOWEVER AN ISOLATED TORNADO IS NOT OUT OF THE QUESTION. THIS OUTLOOK PERTAINS TO THE FOLLOWING 30 COUNTIES... IN NORTH CENTRAL KANSAS... PHILLIPS ROOKS SMITH JEWELL OSBORNE MITCHELL IN SOUTH CENTRAL NEBRASKA... VALLEY GREELEY NANCE SHERMAN HOWARD MERRICK POLK YORK HAMILTON HALL BUFFALO DAWSON GOSPER PHELPS KEARNEY ADAMS CLAY FILLMORE THAYER NUCKOLLS WEBSTER FRANKLIN HARLAN FURNAS DRK
Special weather statement, Apr 8, 10:53 AM CDT, 28 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-091200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 1053 AM CDT THU APR 8 1999 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTION... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON FOR AREAS GENERALLY EAST OF EAST OF THE TRI CITIES. SYNOPSIS... A STRONG LOW PRESSURE SYSTEM IS MOVING ACROSS NEBRASKA TODAY. WARM AND MOIST AIR IS BEING PULLED NORTH INTO THE LOW AND WILL CREATE A VERY UNSTABLE ATMOSPHERE. ALSO THERE WILL BE A HIGH DEGREE OF WIND SHEAR WITH THIS SYSTEM...WHICH WILL HELP A FEW STORMS DEVELOP INTO SUPERCELLS. LOCATIONS TO EAST OF A LINE FROM SMITH CENTER KANSAS TO GRAND ISLAND NEBRASKA WILL SEE THE GREATEST RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING WINDS. HOWEVER AN ISOLATED TORNADO IS NOT OUT OF THE QUESTION. THIS OUTLOOK PERTAINS TO THE FOLLOWING 30 COUNTIES... IN NORTH CENTRAL KANSAS... PHILLIPS ROOKS SMITH JEWELL OSBORNE MITCHELL IN SOUTH CENTRAL NEBRASKA... VALLEY GREELEY NANCE SHERMAN HOWARD MERRICK POLK YORK HAMILTON HALL BUFFALO DAWSON GOSPER PHELPS KEARNEY ADAMS CLAY FILLMORE THAYER NUCKOLLS WEBSTER FRANKLIN HARLAN FURNAS DRK
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 11:51 AM CDT | Tornado Warning | GID | Polk | 39 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1999Every severe thunderstorm warning in 1999
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.