Alert archive / Nebraska / Tornado Warnings in 2011
Tornado Warning 8, NWS Hastings, NE
NWS Hastings, NE issued this tornado warning at May 11, 2011, 3:03 PM CDT for 4 counties in Nebraska. It was in force for 27 min. 1 report 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
- May 11, 2011, 3:03 PM CDT (20:03 UTC)
- Expired
- May 11, 2011, 3:30 PM CDT
- In force
- 27 min
- Issued by
- NWS Hastings, NE
- Area
- Storm-based polygon
Counties Hamilton County, NE, Merrick County, NE, Nance County, NE, Polk County, NE
The radar
The Omaha radar (KOAX), 114 km from the middle of the area, began a volume at 20:06 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 |
|---|---|---|---|
| May 11, 3:32 PM CDT | TSTM WND GST 70 | Genoa, NE | 70 MPH WINDS ESTIMATED AT THE AIRPORT |
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 |
|---|---|---|---|
| May 11, 12:16 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 11, 2:53 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 8.1 hours before the alert went out and 113 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
- 909 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1123 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
222
WFUS53 KGID 112003
TORGID
NEC081-121-125-143-112030-
/O.NEW.KGID.TO.W.0008.110511T2003Z-110511T2030Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
303 PM CDT WED MAY 11 2011
THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN HAMILTON COUNTY IN SOUTH CENTRAL NEBRASKA...
NORTHEASTERN MERRICK COUNTY IN CENTRAL NEBRASKA...
SOUTHEASTERN NANCE COUNTY IN CENTRAL NEBRASKA...
WEST CENTRAL POLK COUNTY IN EAST CENTRAL NEBRASKA...
* UNTIL 330 PM CDT
* AT 301 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR CENTRAL CITY...OR 24 MILES NORTHEAST OF
GRAND ISLAND...AND MOVING NORTHEAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
CLARKS...SILVER CREEK AND GENOA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4133 9761 4105 9791 4116 9811 4149 9771
4148 9770 4140 9770 4140 9760 4139 9759
TIME...MOT...LOC 2003Z 220DEG 36KT 4115 9799
HAIL <.75IN
$$3 follow-up statements
184
WWUS53 KGID 112014
SVSGID
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
314 PM CDT WED MAY 11 2011
NEC081-112023-
/O.CAN.KGID.TO.W.0008.000000T0000Z-110511T2030Z/
HAMILTON NE-
314 PM CDT WED MAY 11 2011
...THE TORNADO WARNING FOR NORTHEASTERN HAMILTON COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF HAMILTON
COUNTY.
LAT...LON 4133 9761 4113 9783 4117 9783 4111 9789
4110 9793 4117 9809 4149 9771 4148 9770
4140 9770 4140 9760 4139 9759
TIME...MOT...LOC 2013Z 220DEG 36KT 4123 9790
$$
NEC121-125-143-112030-
/O.CON.KGID.TO.W.0008.000000T0000Z-110511T2030Z/
MERRICK NE-NANCE NE-POLK NE-
314 PM CDT WED MAY 11 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL POLK...
SOUTHEASTERN NANCE AND NORTHEASTERN MERRICK COUNTIES UNTIL 330 PM
CDT...
AT 310 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR CLARKS...OR 29 MILES NORTHWEST OF YORK...
MOVING NORTHEAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
CLARKS...SILVER CREEK AND GENOA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4133 9761 4113 9783 4117 9783 4111 9789
4110 9793 4117 9809 4149 9771 4148 9770
4140 9770 4140 9760 4139 9759
TIME...MOT...LOC 2013Z 220DEG 36KT 4123 9790
HAIL <.75IN
$$
FAY794
WWUS53 KGID 112020
SVSGID
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
320 PM CDT WED MAY 11 2011
NEC121-125-143-112030-
/O.CON.KGID.TO.W.0008.000000T0000Z-110511T2030Z/
MERRICK NE-NANCE NE-POLK NE-
320 PM CDT WED MAY 11 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL POLK...
SOUTHEASTERN NANCE AND NORTHEASTERN MERRICK COUNTIES UNTIL 330 PM
CDT...
AT 315 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR CLARKS...OR 30 MILES NORTHWEST OF YORK...
MOVING NORTHEAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
SILVER CREEK AND GENOA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4133 9761 4119 9777 4125 9798 4149 9771
4148 9770 4140 9770 4140 9760 4139 9759
TIME...MOT...LOC 2020Z 220DEG 36KT 4128 9784
HAIL <.75IN
$$
FAY072
WWUS53 KGID 112029
SVSGID
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
329 PM CDT WED MAY 11 2011
NEC121-125-143-112039-
/O.EXP.KGID.TO.W.0008.000000T0000Z-110511T2030Z/
MERRICK NE-NANCE NE-POLK NE-
329 PM CDT WED MAY 11 2011
...THE TORNADO WARNING FOR WEST CENTRAL POLK...SOUTHEASTERN NANCE AND
NORTHEASTERN MERRICK COUNTIES WILL EXPIRE AT 330 PM CDT...
A NEW TORNADO WARNING HAS BEEN ISSUED FOR EXTREME NORTHEASTERN
MERRICK AND NORTHEASTERN NANCE COUNTY UNTIL 4 PM.
LAT...LON 4133 9761 4119 9777 4125 9798 4149 9771
4148 9770 4140 9770 4140 9760 4139 9759
TIME...MOT...LOC 2029Z 220DEG 36KT 4135 9776
$$The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 8:52 AM CDT | Special Weather Statement | GID | York | 38 min |
| May 11, 12:48 PM CDT | Special Weather Statement | GID | Franklin | 27 min |
| May 11, 1:11 PM CDT | Special Weather Statement | GID | Webster | 49 min |
| May 11, 1:24 PM CDT | Severe Thunderstorm Warning | GID | Nuckolls, Thayer | 51 min |
| May 11, 1:32 PM CDT | Severe Thunderstorm Warning | GID | Adams, Webster | 43 min |
| May 11, 1:47 PM CDT | Tornado Warning | GID | Adams | 28 min |
| May 11, 1:59 PM CDT | Tornado Warning | GID | Adams | 20 min |
| May 11, 2:08 PM CDT | Severe Thunderstorm Warning | GID | Clay, Fillmore | 37 min |
| May 11, 2:22 PM CDT | Severe Thunderstorm Warning | GID | Hamilton, York | 38 min |
| May 11, 2:41 PM CDT | Tornado Warning | GID | York | 24 min |
| May 11, 2:48 PM CDT | Severe Thunderstorm Warning | GID | Hall, Hamilton, Howard, Merrick, Nance, Polk and 1 more | 42 min |
| May 11, 2:50 PM CDT | Tornado Warning | GID | Hamilton, Polk, York | 25 min |
| May 11, 2:58 PM CDT | Severe Thunderstorm Warning | GID | Hamilton, York | 32 min |
| May 11, 3:14 PM CDT | Tornado Warning | GID | Polk | 12 min |
| May 11, 3:23 PM CDT | Severe Thunderstorm Warning | GID | Hamilton, Merrick, Nance, Polk | 40 min |
| May 11, 3:28 PM CDT | Tornado Warning | GID | Merrick, Nance | 15 min |
Nearby
Tornado Warnings in Nebraska, 2011Every tornado warning in 2011Tornadoes in 2011
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.