Alert archive / Kansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 13, NWS Topeka, KS

April 13, 2018Franklin County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Apr 13, 2018, 4:10 PM CDT for Franklin County, Kansas. It was in force for 65 min. 8 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 13, 2018, 4:10 PM CDT (21:10 UTC)
Expired
Apr 13, 2018, 5:15 PM CDT
In force
65 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Franklin County, KS

The radar

The Pleasant Hill radar (KEAX), 85 km from the middle of the area, began a volume at 21:13 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

TimeReportWhereRemark
Apr 13, 4:21 PM CDTHAIL 14 Ne Williamsburg, KS
Apr 13, 4:37 PM CDTHAIL 0.88Ottawa, KS
Apr 13, 4:40 PM CDTHAIL 13 S Ottawa, KSHAIL SLIGHTLY LARGER THAN QUARTER SIZE PER TWITTER REPORT.
Apr 13, 4:42 PM CDTHAIL 11 N Ottawa, KS
Apr 13, 4:52 PM CDTHAIL 15 Wsw Wellsville, KS
Apr 13, 4:58 PM CDTHAIL 0.884 Sw Princeton, KS
Apr 13, 5:07 PM CDTHAIL 0.88Princeton, KS
Apr 13, 5:16 PM CDTHAIL 0.884 Wsw Rantoul, 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.

IssuedProductOfficeLasted
Apr 13, 2:19 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 9.2 hours before the alert went out and 59 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-pSkew-T log-p diagram, Topeka, KS at 12:00Z on 2018-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 641 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2018-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 534 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
641 J/kg
Mixed-layer CIN
-644 J/kg
Mixed-layer LCL
1295 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
534 m²/s²
0-3 km storm-relative helicity
508 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

372 
WUUS53 KTOP 132110
SVRTOP
KSC059-132215-
/O.NEW.KTOP.SV.W.0013.180413T2110Z-180413T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
410 PM CDT FRI APR 13 2018

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Central Franklin County in east central Kansas...

* Until 515 PM CDT

* At 409 PM CDT, a severe thunderstorm was located 4 miles northwest
  of Harris, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Ottawa, Wellsville, Williamsburg, Princeton and Rantoul. 

This includes Interstate 35 between mile markers 170 and 198.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 900 PM CDT for east central
Kansas.

LAT...LON 3869 9507 3852 9506 3839 9538 3839 9549
      3848 9549 3874 9513 3874 9506 3870 9506
TIME...MOT...LOC 2109Z 231DEG 34KT 3837 9548 

HAIL...1.25IN
WIND...60MPH
 
$$

Cohen/Baerg
4 follow-up statements
122 
WWUS53 KTOP 132121
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
421 PM CDT FRI APR 13 2018

KSC059-132215-
/O.CON.KTOP.SV.W.0013.000000T0000Z-180413T2215Z/
Franklin-
421 PM CDT FRI APR 13 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR CENTRAL FRANKLIN COUNTY...

At 421 PM CDT, a severe thunderstorm was located 5 miles southwest of
Princeton, moving northeast at 40 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees. 

Locations impacted include...
Ottawa, Wellsville, Williamsburg and Rantoul. 

This includes Interstate 35 between mile markers 170 and 198.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 900 PM CDT for east central
Kansas.

LAT...LON 3856 9506 3845 9542 3848 9549 3874 9513
      3874 9506 3870 9506 3869 9507
TIME...MOT...LOC 2121Z 231DEG 34KT 3844 9536 

HAIL...1.75IN
WIND...60MPH
 
$$

Baerg
683 
WWUS53 KTOP 132135
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
435 PM CDT FRI APR 13 2018

KSC059-132215-
/O.CON.KTOP.SV.W.0013.000000T0000Z-180413T2215Z/
Franklin-
435 PM CDT FRI APR 13 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR CENTRAL FRANKLIN COUNTY...

At 434 PM CDT, a severe thunderstorm was located near Princeton,
moving northeast at 40 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Ottawa, Wellsville and Williamsburg. 

This includes Interstate 35 between mile markers 170 and 198.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 900 PM CDT for east central
Kansas.

LAT...LON 3848 9549 3874 9513 3874 9506 3870 9506
      3869 9507 3845 9541 3845 9542
TIME...MOT...LOC 2134Z 231DEG 34KT 3852 9523 

HAIL...1.00IN
WIND...60MPH
 
$$

Baerg
647 
WWUS53 KTOP 132147
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
447 PM CDT FRI APR 13 2018

KSC059-132215-
/O.CON.KTOP.SV.W.0013.000000T0000Z-180413T2215Z/
Franklin-
447 PM CDT FRI APR 13 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHEASTERN FRANKLIN COUNTY...

At 446 PM CDT, a severe thunderstorm was located near Ottawa, moving
northeast at 45 mph.

HAZARD...60 mph wind gusts and half dollar size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Ottawa and Wellsville. 

This includes Interstate 35 between mile markers 183 and 198.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 900 PM CDT for east central
Kansas.

LAT...LON 3859 9533 3874 9513 3874 9506 3870 9506
      3869 9507 3856 9525
TIME...MOT...LOC 2146Z 222DEG 39KT 3863 9520 

HAIL...1.25IN
WIND...60MPH
 
$$

Baerg
185 
WWUS53 KTOP 132158
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
458 PM CDT FRI APR 13 2018

KSC059-132215-
/O.CON.KTOP.SV.W.0013.000000T0000Z-180413T2215Z/
Franklin-
458 PM CDT FRI APR 13 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHEASTERN FRANKLIN COUNTY...

At 458 PM CDT, a severe thunderstorm was located near Wellsville,
moving northeast at 40 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Wellsville.

This includes Interstate 35 between mile markers 191 and 198.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 900 PM CDT for east central
Kansas.

LAT...LON 3866 9523 3874 9513 3874 9506 3870 9506
      3869 9507 3865 9512
TIME...MOT...LOC 2158Z 221DEG 33KT 3870 9514 

HAIL...1.00IN
WIND...60MPH
 
$$

Baerg

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 11:35 PM CDTWind AdvisoryTOPAnderson, Clay, Cloud, Coffey, Dickinson, Douglas and 11 more18 hr
Apr 13, 3:25 AM CDTWinter Weather AdvisoryTOPClay, Cloud, Dickinson, Geary, Marshall, Morris and 5 more40 hr
Apr 13, 3:33 AM CDTWind AdvisoryTOPClay, Cloud, Dickinson, Geary, Marshall, Morris and 5 more39 hr
Apr 13, 3:55 AM CDTRed Flag WarningTOPDickinson, Geary, Lyon, Morris, Pottawatomie, Riley and 1 more15 hr
Apr 13, 2:06 PM CDTSpecial Weather StatementTOPMorris39 min
Apr 13, 2:09 PM CDTSevere Thunderstorm WarningTOPGeary, Lyon, Morris, Riley, Wabaunsee66 min
Apr 13, 2:20 PM CDTSpecial Weather StatementTOPLyon40 min
Apr 13, 2:23 PM CDTSevere Thunderstorm WarningTOPCoffey, Lyon, Osage67 min
Apr 13, 2:48 PM CDTSevere Thunderstorm WarningTOPGeary, Jackson, Pottawatomie, Riley, Wabaunsee42 min
Apr 13, 3:05 PM CDTSevere Thunderstorm WarningTOPCoffey, Osage55 min
Apr 13, 3:09 PM CDTSevere Thunderstorm WarningTOPMorris, Pottawatomie, Shawnee, Wabaunsee36 min
Apr 13, 3:18 PM CDTSevere Thunderstorm WarningTOPJackson, Marshall, Nemaha, Pottawatomie57 min
Apr 13, 3:31 PM CDTSevere Thunderstorm WarningTOPJackson, Nemaha, Pottawatomie, Shawnee44 min
Apr 13, 3:49 PM CDTSevere Thunderstorm WarningTOPAnderson, Coffey, Franklin, Osage26 min
Apr 13, 4:01 PM CDTSevere Thunderstorm WarningTOPCoffey59 min
Apr 13, 4:09 PM CDTSevere Thunderstorm WarningTOPBrown, Jackson, Nemaha51 min
Apr 13, 4:11 PM CDTSevere Thunderstorm WarningTOPNemaha34 min
Apr 13, 4:18 PM CDTSevere Thunderstorm WarningTOPDouglas, Franklin, Jefferson57 min
Apr 13, 4:32 PM CDTSevere Thunderstorm WarningTOPAnderson, Coffey, Franklin58 min
Apr 13, 6:18 PM CDTSpecial Weather StatementTOPFranklin27 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2018Every severe thunderstorm warning in 2018

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.