Alert archive / Iowa / Tornado Warnings in 1996
Tornado Warning 60, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Jul 23, 1996, 3:33 PM CDT for Harrison County, Pottawattamie County, Shelby County, Iowa. It was in force for 27 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 23, 1996, 3:33 PM CDT (20:33 UTC)
- Expired
- Jul 23, 1996, 4:00 PM CDT
- In force
- 27 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Harrison County, IA, Pottawattamie County, IA, Shelby County, IA
The radar
The Omaha radar (KOAX), 73 km from the middle of the area, began a volume at 20:36 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.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 8.6 hours before the alert went out and 73 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2089 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOMA 232034 TOROMA IAC085-155-165-232100- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 333 PM CDT TUE JUL 23 1996 THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL IOWA ...EASTERN HARRISON COUNTY...EASTERN POTTAWATTAMIE COUNTY ...SHELBY COUNTY AT TORNADO WAS REPORTED ON THE GROUND 5 MILES EAST OF LOGAN IOWA...27 MILES NORTHEAST OF OMAHA. THE TORNADO WAS MOVING EAST SOUTHEAST AT 35 MPH. TOWNS IN THE PATH OF THIS STORM ARE...PERSIA...AVOCA...AND MINDEN IOWA. PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IN A BASEMENT IF AVAILA8BLE. OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. CARS AND MOBILE HOMES SHOULD BE ABANDONED. BYRD &
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.
In the hours before
Special weather statement, Jul 23, 11:31 AM CDT, 4 hours 2 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093- IAZ043-055-056-069-079-080-090-091-241200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1130 AM CDT TUE JUL 23 1996 ...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA... SPOTTER ACTION... ACTIVATION OF STORM SPOTTER GROUPS IN EASTERN NEBRASKA AND SOUTHWEST IOWA IS NOT ANTICIPATED THIS AFTERNOON OR EVENING. DISCUSSION... AN UPPER AIR DISTURBANCE MOVING SOUTHEAST ACROSS THE PLAINS WILL BRING THE CHANCE FOR SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND TONIGHT. HOWEVER WITH THE AIR MASS MORE STABLE THAN MONDAY STORMS ARE NOT EXPECTED TO REACH SEVERE LIMITS IN EASTERN NEBRASKA AND SOUTHWEST IOWA. GW
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 3:53 PM CDT | Tornado Warning | OAX | Pottawattamie | 37 min |
Nearby
Tornado Warnings in Iowa, 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; radar from the NEXRAD Level II archive.