Alert archive / Nebraska / Tornado Warnings in 2009

Tornado Warning 2, NWS Hastings, NE

April 4, 2009Clay County, Fillmore County, Nebraska

NWS Hastings, NE issued this tornado warning at Apr 4, 2009, 4:30 PM CDT for Clay County, Fillmore County, Nebraska. It was in force for 30 min. 2 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: Apr 4, 2009, 4:30 PM CDT (21:30 UTC)
Expired: Apr 4, 2009, 5:00 PM CDT
In force: 30 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon

Counties Clay County, NE, Fillmore County, NE

The radar

The Grand Island radar (KUEX), 61 km from the middle of the area, began a volume at 21:32 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 4, 4:43 PM CDT	FUNNEL CLOUD	1 E Sutton, NE	FUNNEL CLOUD REPORTED 1 MILE EAST OF SUTTON MOVING NNE.
Apr 4, 4:45 PM CDT	TORNADO	1 E Sutton, NE

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
Apr 4, 2:06 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 9.5 hours before the alert went out and 146 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2246 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 338 m²/s²
0-3 km storm-relative helicity: 350 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KGID 042130
TORGID
NEC035-059-042200-
/O.NEW.KGID.TO.W.0002.090404T2130Z-090404T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
430 PM CDT SAT APR 4 2009

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CLAY COUNTY IN SOUTH CENTRAL NEBRASKA
  NORTHWESTERN FILLMORE COUNTY IN SOUTH CENTRAL NEBRASKA

* UNTIL 500 PM CDT

* AT 429 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 7 MILES SOUTHEAST OF SUTTON...OR 27 MILES
  SOUTHWEST OF YORK...AND MOVING NORTH AT 25 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  SUTTON BY 445 PM CDT...
  GRAFTON BY 450 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
PENNY SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

&&

LAT...LON 4048 9772 4048 9789 4070 9794 4070 9769
TIME...MOT...LOC 2130Z 172DEG 21KT 4052 9780

$$

AWJ

1 follow-up statement

000 
WWUS53 KGID 042143
SVSGID

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
443 PM CDT SAT APR 4 2009

NEC035-059-042200-
/O.CON.KGID.TO.W.0002.000000T0000Z-090404T2200Z/
CLAY NE-FILLMORE NE-
443 PM CDT SAT APR 4 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
NORTHWESTERN FILLMORE AND NORTHEASTERN CLAY COUNTIES...

AT 442 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
TRACK A TORNADO.  THIS TORNADO WAS LOCATED NEAR SUTTON...OR 21 MILES
SOUTHWEST OF YORK...MOVING NORTH AT 25 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
PENNY SIZE HAIL.

&&

LAT...LON 4048 9772 4048 9789 4070 9794 4070 9769
TIME...MOT...LOC 2143Z 172DEG 21KT 4061 9780

$$

AWJ

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 4, 3:31 AM CDT	Wind Advisory	GID	Adams, Buffalo, Clay, Dawson, Fillmore, Franklin and 18 more	39 hr
Apr 4, 3:39 AM CDT	Blizzard Warning	GID	Greeley, Howard, Nance, Sherman, Valley	24 hr
Apr 4, 3:39 AM CDT	Winter Storm Warning	GID	Buffalo, Dawson, Hall, Hamilton, Merrick, Polk and 1 more	24 hr
Apr 4, 3:39 AM CDT	Winter Weather Advisory	GID	Adams, Buffalo, Clay, Dawson, Fillmore, Franklin and 18 more	31 hr
Apr 4, 5:00 PM CDT	Tornado Warning	GID	Fillmore, Hamilton, York	30 min

Nearby

Tornado Warnings in Nebraska, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.