Alert archive / Nebraska / Tornado Warnings in 2007
Tornado Warning 2, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Mar 31, 2007, 2:32 PM CDT for Washington County, Nebraska. It was in force for 18 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 31, 2007, 2:32 PM CDT (19:32 UTC)
- Expired
- Mar 31, 2007, 2:50 PM CDT
- In force
- 18 min
- Issued by
- NWS Omaha, NE
- Area
- Counties, with a storm outline in the text
County Washington County, NE
The radar
The Omaha radar (KOAX), 33 km from the middle of the area, began a volume at 19:33 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 |
|---|---|---|---|
| Mar 31, 2:35 PM CDT | TORNADO 1 | 3 W Herman, NE | NARROW DAMAGE PATH WITH HORSE BARN DAMAGED CONSIDERABLY. POST EVENT STORM SURVEY CONFIRMS DAMAGE WAS FROM EF1 TORNADO 1/4 MILE WIDE AND 1 MILE LONG DAMAGE PATH. |
| Mar 31, 2:50 PM CDT | TSTM WND DMG | 3 W Herman, NE | NARROW DAMAGE PATH WITH HORSE BARN DAMAGED CONSIDERABLY. |
| Mar 31, 2:50 PM CDT | TORNADO 1 | 3 W Herman, NE | NARROW DAMAGE PATH WITH HORSE BARN DAMAGED CONSIDERABLY. POST EVENT STORM SURVEY CONFIRMS DAMAGE WAS FROM EF1 TORNADO 1/4 MILE WIDE AND 1 MILE LONG DAMAGE PATH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 31, 11:38 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 7.5 hours before the alert went out and 34 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
- 523 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 288 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KOAX 311932 TOROAX NEC177-312000- /O.NEW.KOAX.TO.W.0002.070331T1932Z-070331T2000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA 232 PM CDT SAT MAR 31 2007 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A * TORNADO WARNING FOR... WASHINGTON COUNTY IN EAST CENTRAL NEBRASKA... * UNTIL 300 PM CDT * AT 229 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS LOCATED NEAR HERMAN...OR ABOUT 26 MILES NORTHWEST OF OMAHA...MOVING NORTHWEST AT 35 MPH. * THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR A PIECE OF STURDY FURNITURE. IF A BASEMENT IS NOT AVAILABLE...SEEK SHELTER ON THE LOWEST LEVEL OF THE BUILDING. GO TO AN INTERIOR ROOM OR HALLWAY. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CDT SATURDAY EVENING FOR SOUTHWESTERN IOWA AND PARTS OF EASTERN NEBRASKA. LAT...LON 4153 9625 4156 9607 4168 9612 4169 9638 $$ MILLER/FOBERT
2 follow-up statements
000 WWUS53 KOAX 311941 SVSOAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA 240 PM CDT SAT MAR 31 2007 NEC177-312000- /O.CON.KOAX.TO.W.0002.000000T0000Z-070331T2000Z/ WASHINGTON NE- 240 PM CDT SAT MAR 31 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR WASHINGTON COUNTY... AT 237 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR HERMAN...OR ABOUT 30 MILES NORTHWEST OF OMAHA...MOVING NORTHWEST AT 35 MPH. THE TORNADO WILL AFFECT THE AREA WEST OF HERMAN NEAR THE WASHINGTON BURT COUNTY LINE THROUGH 250 PM CDT. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CDT SATURDAY EVENING FOR SOUTHWESTERN IOWA AND PARTS OF EASTERN NEBRASKA. LAT...LON 4153 9625 4156 9607 4168 9612 4169 9638 $$ MILLER/FOBERT
000 WWUS53 KOAX 311950 SVSOAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA 250 PM CDT SAT MAR 31 2007 NEC177-312000- /O.CAN.KOAX.TO.W.0002.000000T0000Z-070331T2000Z/ WASHINGTON NE- 250 PM CDT SAT MAR 31 2007 ...THE TORNADO WARNING FOR WASHINGTON COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS EXITED THE WARNED AREA... THUS THE WARNING WHICH WAS IN EFFECT HAS BEEN CANCELLED. HEAVY RAIN...SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE. A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CDT SATURDAY EVENING FOR SOUTHWESTERN IOWA AND PARTS OF EASTERN NEBRASKA. LAT...LON 4153 9625 4156 9607 4168 9612 4169 9638 $$ MILLER/FOBERT
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 11:37 AM CDT | Severe Thunderstorm Warning | OAX | Lancaster | 53 min |
| Mar 31, 11:54 AM CDT | Tornado Warning | OAX | Johnson, Otoe | 36 min |
| Mar 31, 12:55 PM CDT | Severe Thunderstorm Warning | OAX | Otoe | 37 min |
| Mar 31, 12:59 PM CDT | Severe Thunderstorm Warning | OAX | Saunders | 46 min |
| Mar 31, 1:06 PM CDT | Severe Thunderstorm Warning | OAX | Cass | 39 min |
| Mar 31, 1:25 PM CDT | Severe Thunderstorm Warning | OAX | Sarpy | 35 min |
| Mar 31, 1:43 PM CDT | Severe Thunderstorm Warning | OAX | Cass | 17 min |
| Mar 31, 1:53 PM CDT | Severe Thunderstorm Warning | OAX | Sarpy | 24 min |
| Mar 31, 2:00 PM CDT | Severe Thunderstorm Warning | OAX | Douglas | 45 min |
| Mar 31, 2:02 PM CDT | Severe Thunderstorm Warning | OAX | Dodge | 28 min |
| Mar 31, 2:12 PM CDT | Severe Thunderstorm Warning | OAX | Washington | 39 min |
| Mar 31, 2:34 PM CDT | Tornado Warning | OAX | Burt | 26 min |
| Mar 31, 2:57 PM CDT | Severe Thunderstorm Warning | OAX | Thurston | 48 min |
| Mar 31, 3:10 PM CDT | Severe Thunderstorm Warning | OAX | Thurston | 35 min |
Nearby
Tornado Warnings in Nebraska, 2007Every tornado warning in 2007Tornadoes in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.