Alert archive / Kansas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 21, NWS Topeka, KS

March 23, 2009Jackson County, Nemaha County, Pottawatomie County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Mar 23, 2009, 5:16 PM CDT for Jackson County, Nemaha County, Pottawatomie County, Kansas. It was in force for 44 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: Mar 23, 2009, 5:16 PM CDT (22:16 UTC)
Expired: Mar 23, 2009, 6:00 PM CDT
In force: 44 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon

Counties Jackson County, KS, Nemaha County, KS, Pottawatomie County, KS

The radar

The Topeka radar (KTWX), 70 km from the middle of the area, began a volume at 22:17 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 23, 5:19 PM CDT	HAIL 0.88	9 Ssw Onaga, KS

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 23, 1:03 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.3 hours before the alert went out and 78 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: 3 J/kg
Mixed-layer CIN: -529 J/kg
Mixed-layer LCL: 1190 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 332 m²/s²
0-3 km storm-relative helicity: 505 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KTOP 232216
SVRTOP
KSC085-131-149-232300-
/O.NEW.KTOP.SV.W.0021.090323T2216Z-090323T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
516 PM CDT MON MAR 23 2009

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN JACKSON COUNTY IN NORTHEAST KANSAS...
  SOUTHEASTERN NEMAHA COUNTY IN NORTHEAST KANSAS...
  EASTERN POTTAWATOMIE COUNTY IN NORTHEAST KANSAS...

* UNTIL 600 PM CDT

* AT 516 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 7 MILES EAST OF WESTMORELAND...OR 21 MILES
  NORTHEAST OF MANHATTAN...MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ONAGA...
  HAVENSVILLE...
  SOLDIER...
  CORNING...
  GOFF...
  WETMORE...
  WOODLAWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES RAPIDLY.

STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST
SEVERE WEATHER INFORMATION.

&&

LAT...LON 3987 9578 3956 9578 3924 9628 3936 9646
      3956 9625 3956 9624 3958 9624 3993 9587
TIME...MOT...LOC 2216Z 221DEG 41KT 3937 9630

$$

BOUSTEAD

3 follow-up statements

000 
WWUS53 KTOP 232226
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
526 PM CDT MON MAR 23 2009

KSC085-131-149-232300-
/O.CON.KTOP.SV.W.0021.000000T0000Z-090323T2300Z/
NEMAHA-JACKSON-POTTAWATOMIE-
526 PM CDT MON MAR 23 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHEASTERN POTTAWATOMIE...NORTHWESTERN JACKSON AND SOUTHEASTERN
NEMAHA COUNTIES...

AT 525 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED 4 MILES SOUTHWEST OF ONAGA...OR 28 MILES NORTHEAST OF
MANHATTAN...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
ONAGA...HAVENSVILLE...SOLDIER...CORNING...GOFF...WETMORE...WOODLAWN
AND ONEIDA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES RAPIDLY.

&&

LAT...LON 3987 9578 3956 9578 3933 9627 3944 9637
      3956 9625 3956 9624 3958 9624 3993 9587
TIME...MOT...LOC 2226Z 222DEG 39KT 3945 9620

$$

BOUSTEAD

000 
WWUS53 KTOP 232244
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
544 PM CDT MON MAR 23 2009

KSC085-149-232253-
/O.CAN.KTOP.SV.W.0021.000000T0000Z-090323T2300Z/
JACKSON-POTTAWATOMIE-
544 PM CDT MON MAR 23 2009

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN POTTAWATOMIE AND
NORTHWESTERN JACKSON COUNTIES HAS BEEN CANCELLED...

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN 
POTTAWATOMIE COUNTY UNTIL 600 PM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM.

LAT...LON 3987 9578 3956 9579 3956 9601 3956 9623
      3958 9624 3993 9587
TIME...MOT...LOC 2243Z 219DEG 39KT 3965 9604

$$

KSC131-232300-
/O.CON.KTOP.SV.W.0021.000000T0000Z-090323T2300Z/
NEMAHA-
544 PM CDT MON MAR 23 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTHEASTERN NEMAHA COUNTY...

AT 542 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR CORNING...OR 31 MILES SOUTHWEST OF HIAWATHA...MOVING
NORTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CORNING AROUND 545 PM CDT...
  GOFF AND 10 MILES NORTHWEST OF WETMORE AROUND 550 PM CDT...
  WOODLAWN AND ONEIDA AROUND 600 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES RAPIDLY.

&&

LAT...LON 3987 9578 3956 9579 3956 9601 3956 9623
      3958 9624 3993 9587
TIME...MOT...LOC 2243Z 219DEG 39KT 3965 9604

$$

BOUSTEAD

000 
WWUS53 KTOP 232255
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
555 PM CDT MON MAR 23 2009

KSC131-232305-
/O.EXP.KTOP.SV.W.0021.000000T0000Z-090323T2300Z/
NEMAHA-
555 PM CDT MON MAR 23 2009

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN NEMAHA COUNTY
WILL EXPIRE AT 600 PM CDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM.

AT 555 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO
LONGER SEVERE...THUS THE WARNING WILL EXPIRE AT 600 PM CDT.

A TORNADO WATCH REMAINS IN EFFECT. STAY ALERT TO THE WEATHER.

LAT...LON 3987 9578 3956 9579 3956 9601 3956 9623
      3958 9624 3993 9587
TIME...MOT...LOC 2255Z 219DEG 39KT 3975 9593

$$

BOUSTEAD

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 23, 10:12 AM CDT	High Wind Warning	TOP	Anderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more	9 hr
Mar 23, 4:01 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Morris	44 min
Mar 23, 4:26 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Ottawa	28 min
Mar 23, 4:36 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley	39 min
Mar 23, 5:06 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Geary, Riley	39 min
Mar 23, 5:19 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Riley	26 min
Mar 23, 5:19 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Pottawatomie	41 min
Mar 23, 5:27 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson	48 min
Mar 23, 5:45 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Geary, Riley	15 min
Mar 23, 6:06 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Pottawatomie, Riley	39 min
Mar 23, 6:28 PM CDT	Severe Thunderstorm Warning	TOP	Nemaha	30 min
Mar 23, 6:33 PM CDT	Tornado Warning	TOP	Nemaha	27 min
Mar 23, 6:42 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie	48 min
Mar 23, 6:43 PM CDT	Severe Thunderstorm Warning	TOP	Brown	23 min
Mar 23, 6:56 PM CDT	Severe Thunderstorm Warning	TOP	Riley	23 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2009 Every severe thunderstorm warning 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.