Alert archive / Missouri / Severe Thunderstorm Watches in 2017

Severe Thunderstorm Watch 70

March 9, 20174 counties in Kansas; 36 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Mar 9, 2017, 11:10 AM CST for 4 counties in Kansas; 36 counties in Missouri. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued
Mar 9, 2017, 11:10 AM CST (17:10 UTC)
Expired
Mar 9, 2017, 8:45 PM CST
In force
10 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
55 kt
All 40 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Linn County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 87 km from the middle of the area, began a volume at 17:12 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
20%
One or more EF2 to EF5 tornadoes
10%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
70%
One or more hailstones of 2 inches or more
50%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

47 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 9, 11:25 AM CSTSevere Thunderstorm WarningSGFVernon65 min
Mar 9, 11:33 AM CSTSevere Thunderstorm WarningEAXBates27 min
Mar 9, 12:17 PM CSTSevere Thunderstorm WarningSGFCedar, St. Clair58 min
Mar 9, 12:47 PM CSTSevere Thunderstorm WarningEAXBates, Henry43 min
Mar 9, 1:07 PM CSTSevere Thunderstorm WarningSGFBenton, Hickory, St. Clair68 min
Mar 9, 1:17 PM CSTSevere Thunderstorm WarningSGFSt. Clair43 min
Mar 9, 1:26 PM CSTSevere Thunderstorm WarningEAXHenry38 min
Mar 9, 1:49 PM CSTSevere Thunderstorm WarningSGFCamden, Morgan56 min
Mar 9, 2:07 PM CSTSevere Thunderstorm WarningSGFBenton, Hickory, St. Clair38 min
Mar 9, 2:39 PM CSTSevere Thunderstorm WarningSGFCamden, Miller, Pulaski66 min
Mar 9, 2:49 PM CSTSevere Thunderstorm WarningSGFBenton, Morgan41 min
Mar 9, 2:58 PM CSTSevere Thunderstorm WarningEAXHenry32 min
Mar 9, 3:00 PM CSTSevere Thunderstorm WarningSGFDallas, Laclede60 min
Mar 9, 3:15 PM CSTSevere Thunderstorm WarningSGFBenton45 min
Mar 9, 3:22 PM CSTSevere Thunderstorm WarningSGFPhelps, Pulaski38 min
Mar 9, 3:48 PM CSTSevere Thunderstorm WarningSGFDent, Laclede, Phelps, Pulaski, Texas57 min
Mar 9, 3:50 PM CSTSevere Thunderstorm WarningSGFBenton, Camden, Hickory, Morgan55 min
Mar 9, 4:12 PM CSTSevere Thunderstorm WarningSGFDallas, Greene, Polk48 min
Mar 9, 4:15 PM CSTSevere Thunderstorm WarningSGFCrawford60 min
Mar 9, 4:17 PM CSTSevere Thunderstorm WarningSGFCamden, Miller, Pulaski43 min
Mar 9, 4:21 PM CSTSevere Thunderstorm WarningSGFDent, Phelps, Shannon, Texas54 min
Mar 9, 4:31 PM CSTSevere Thunderstorm WarningSGFCherokee59 min
Mar 9, 4:43 PM CSTSevere Thunderstorm WarningSGFDallas, Greene, Laclede, Webster47 min
Mar 9, 4:46 PM CSTSevere Thunderstorm WarningSGFBarton, Dade, Jasper, Lawrence59 min
Mar 9, 4:50 PM CSTSevere Thunderstorm WarningSGFWright20 min
Mar 9, 4:59 PM CSTSevere Thunderstorm WarningSGFTexas61 min
Mar 9, 5:12 PM CSTSevere Thunderstorm WarningSGFShannon48 min
Mar 9, 5:24 PM CSTSevere Thunderstorm WarningSGFLawrence66 min
Mar 9, 5:26 PM CSTSevere Thunderstorm WarningSGFWebster, Wright47 min
Mar 9, 5:34 PM CSTTornado WarningSGFLawrence41 min
Mar 9, 5:39 PM CSTSevere Thunderstorm WarningSGFJasper, Newton66 min
Mar 9, 5:44 PM CSTSevere Thunderstorm WarningSGFDouglas61 min
Mar 9, 5:49 PM CSTSevere Thunderstorm WarningSGFHowell, Shannon56 min
Mar 9, 6:03 PM CSTTornado WarningSGFBarry, Christian, Lawrence, Stone27 min
Mar 9, 6:07 PM CSTTornado WarningSGFBarry, Lawrence, Newton53 min
Mar 9, 6:25 PM CSTSevere Thunderstorm WarningSGFDouglas, Howell, Ozark50 min
Mar 9, 6:28 PM CSTTornado WarningSGFBarry, Christian, Stone, Taney47 min
Mar 9, 6:38 PM CSTSevere Thunderstorm WarningSGFJasper, Lawrence, Newton52 min
Mar 9, 6:42 PM CSTTornado WarningSGFBarry48 min
Mar 9, 6:53 PM CSTSevere Thunderstorm WarningSGFHowell, Oregon52 min
Mar 9, 6:56 PM CSTTornado WarningSGFStone, Taney49 min
Mar 9, 7:05 PM CSTSevere Thunderstorm WarningSGFMcDonald, Newton55 min
Mar 9, 7:10 PM CSTSevere Thunderstorm WarningSGFHowell37 min
Mar 9, 7:12 PM CSTTornado WarningSGFBarry, Stone48 min
Mar 9, 7:31 PM CSTSevere Thunderstorm WarningSGFBarry, McDonald, Newton59 min
Mar 9, 7:41 PM CSTSevere Thunderstorm WarningSGFOzark, Taney28 min
Mar 9, 7:43 PM CSTTornado WarningSGFStone, Taney18 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 5.2 hours before the alert went out and 97 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, Springfield, MO at 12:00Z on 2017-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Springfield, MO at 12:00Z on 2017-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 249 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1760 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
249 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 9, 10:02 AM CSTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Coffey, Crawford, Linn and 1 more88 min
Mar 9, 1:04 PM CSTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Cherokee, Crawford, Labette and 5 more86 min
Mar 9, 4:45 PM CSTMesoscale DiscussionSPCBollinger, Butler, Carter, Dunklin, Mississippi, New Madrid and 5 more90 min
Mar 9, 5:02 PM CSTSevere Thunderstorm WatchSPCBollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 4 more5 hr
Mar 9, 5:36 PM CSTMesoscale DiscussionSPCBarry, Christian, Douglas, Greene, Howell, Jasper and 10 more84 min
Mar 9, 3:52 PM CSTSevere Thunderstorm WatchSPCAdair, Cherokee, Craig, Delaware, Haskell, Latimer and 7 more7 hr

Nearby

Severe Thunderstorm Watches in Missouri, 2017Severe Thunderstorm Watches in Kansas, 2017Every severe thunderstorm watch in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.