Alert archive / Nebraska / Tornado Warnings in 1996
Tornado Warning 20, NWS Hastings, NE
NWS Hastings, NE issued this tornado warning at Jul 16, 1996, 6:39 PM CDT for Polk County, Nebraska. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 16, 1996, 6:39 PM CDT (23:39 UTC)
- Expired
- Jul 16, 1996, 7:15 PM CDT
- In force
- 36 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
County Polk County, NE
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 11.7 hours before the alert went out and 101 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
- 60 J/kg
- Mixed-layer CIN
- -172 J/kg
- Mixed-layer LCL
- 1676 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 254 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGRI 162341 TORGRI NEC143-170015- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HASTINGS NE 639 PM CDT TUE JUL 16 1996 THE NATIONAL WEATHER SERVICE IN HASTINGS NE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL NEBRASKA ...NORTHEASTERN POLK COUNTY PERSONS IN EXTREME NORTHEAST POLK COUNTY SHOULD BE IN A SHELTER NOW! AT 635 PM DOPPLER RADAR INDICATED A POSSIBLE TORNADO 2 1/2 MILES WEST AND 1 MILE SOUTH OF MONROE OR 12 MILES WEST OF COLUMBUS MOVING TO THE SOUTHEAST AT 20 MPH OVER OPEN FARMLAND. THE STORM SHOULD TRACK EAST OF SILVER CREEK TOWARD HIWAY 30 AND THE PLATTE RIVER. PERSONS IN THE* PATH OF THE STORM SHOULD TAKE SHELTER NOW! PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IN A BASEMENT IF AVAILABLE. OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. CARS AND MOBILE HOMES SHOULD BE ABANDONED. GRIFFITH/LEW
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 16, 2:44 PM CDT, 3 hours 55 minutes earlier.
Area forecast discussion, Jul 16, 2:44 PM CDT, 3 hours 55 minutes before
CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 235 PM CDT TUE JUL 16 1996 LOCATION OF INITIAL FIRING OF NEXT ROUND OF CONVECTION BIGGEST PROBLEM IN THE SHORT TERM. QUITE THE COMPLEX SYNOPTIC AND MESOSCALE SITUATION IN THE AREA TODAY. 12Z UA ANALYSIS INDICATED MOISTURE AXIS FROM DEEP SOUTH INTO WESTERN NEBRASKA WITH H8 DWPTS 15C+. H8 WMFNT WAS WELL DEFINED FROM WRN ND INTO ERN NEB. FRONTOGENESIS WAS NOTED AT H7 AS QVECTORS WERE ALIGNED NORMAL TO THE BAROCLINIC ZONE OVER ERN NEB/SD FROM COLD TO WARM. BLV INTERACTION BETWEEN S/WV MOVG ACRS NRN NEB THIS AM AND MIDLVL WMFNTS ACCOUNTS FOR MORNING TSTMS THAT REDEVELOPED OVER ERN CWA. ANALYSIS...SATL AND PROFILERS TODAY ALSO INDICATED MINOR S/WV TROF MOVG THRU WRN WY TO WRN NM. AT THE SFC...TROF OF LOW PRES CONTUS TO STRENGHTHEN AND SOME SORT OF THERMAL BOUNDARY WAS DEVELOPING BETWEEN THE SUNNY AND CLOUDY AREAS ALONG THE NEB/KS BORDER. HARD TO SAY IF THIS IS TRUE SYNOPTIC WMFRONTOGENESIS AS INDICATORS WERE WEAK AT BEST. NONE-THE-LESS THERE/S A BOUNDARY TO CONTEND WITH ALONG THE BORDER. FELT NGM HANDLED S/WVS BEST AND MOST CONSISTENTLY LAST FEW DAYS AND WL FLW THRU FCST. AS INTERMOUNTAIN S/WV MOVES INTO PLAINS TON...TUFF CALL AS TO WHERE INITIAL REDEVELOPMENT WILL OCCUR. MODIFIED LBF SOUNDING STILL HELD A 2-3C MIDLVL CAP...WITH OMA MODIFIED DOWN TO NO CAP. PLENTY OF SS ACROSS WRN PANHANDLE AND NW KS TAFTN WITH ...SO ALL SHUD POINT TO DLVPMNT OVER NW KS/SC NEB. BLV ORGANIZED CONVECTION AND MCS WL FORM LATER THIS EVE AS STORMS INTERACT WITH AFOREMENTIONED MIDLVL FRONTS OVER SCNTRL-ERN NEB. THEREFORE HIEST POPS PROBABLY EAST OF US281 AND NORTH OF KS BORDER TON WITH HVY RAIN LIKELY. AFT THIS EVE...PAC CST UPR LOW DIGS SWWD WITH A RIDGING RESPONSE AND MID-LLVL WARMING OVER THE CENTRAL PLAINS. NEVER REALLY SEE A SOLID WLY DOWNSLOPE COMPONENT...AND WITH DWPTS STILL TO REMAIN MDTLY HI...WL FLW COLR FWC GUID ON MAXES. H7 TEMPS GO ABV CAPPING THRESHHOLD AFT TON...SO LUKS LIKE GUID POPS ARE PEGGING CLIMO VALUES AS S/WV ENERGY RIDES NORTH OF CWA. WL HV TO WATCH WK TX S/WV PROGGED TO MOV ACRS KS THO. GRI 067/091 41 HBR 068/091 52 ODX 065/093 41 BLT 068/094 20 LXN 063/091 30 BREWSTER
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 5:40 PM CDT | Severe Thunderstorm Warning | GID | Nance | 50 min |
| Jul 16, 5:40 PM CDT | Severe Thunderstorm Warning | GID | Nance | 35 min |
| Jul 16, 6:04 PM CDT | Tornado Warning | GID | Nance | 26 min |
Nearby
Tornado Warnings in Nebraska, 1996Every tornado warning in 1996Tornadoes in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.