Alert archive / Missouri / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 191, NWS Kansas City, MO

July 11, 20104 counties in Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 11, 2010, 4:34 PM CDT for 4 counties in Missouri. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 11, 2010, 4:34 PM CDT (21:34 UTC)
Expired: Jul 11, 2010, 5:00 PM CDT
In force: 26 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bates County, MO, Cass County, MO, Henry County, MO, Johnson County, MO

The radar

The Pleasant Hill radar (KEAX), 37 km from the middle of the area, began a volume at 21:34 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 11, 3:37 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 9.6 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: 2022 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 662 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 179 m²/s²
0-3 km storm-relative helicity: 140 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 11, 3:32 PM CDT, 1 hour 2 minutes earlier.

Area forecast discussion, Jul 11, 3:32 PM CDT, 1 hour 2 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Jul 11, 1:05 PM CDT, 3 hours 29 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
105 PM CDT SUN JUL 11 2010

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-121815-
ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE-JOHNSON KS-
ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-MERCER-PUTNAM-SCHUYLER-
HOLT-ANDREW-DE KALB-DAVIESS-GRUNDY-SULLIVAN-ADAIR-BUCHANAN-CLINTON-
CALDWELL-LIVINGSTON-LINN MO-MACON-PLATTE-CLAY-RAY-CARROLL-CHARITON-
RANDOLPH-JACKSON-LAFAYETTE-SALINE-HOWARD-CASS-JOHNSON MO-PETTIS-
COOPER-BATES-HENRY-
105 PM CDT SUN JUL 11 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST...NORTH CENTRAL AND
WEST CENTRAL MISSOURI...AS WELL AS EXTREME EASTERN KANSAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THIS AFTERNOON...THUNDERSTORMS WILL CONTINUE TO FIRE IN THE VICINITY
OF A WARM FRONT BOUNDARY DRAPED FROM EAST CENTRAL KANSAS...JUST SOUTH
OF KANSAS CITY...INTO SOUTHERN PORTIONS OF CENTRAL MISSOURI. THESE
STORMS WILL BE CAPABLE OF PRODUCING SEVERE WEATHER WITH DAMAGING
WINDS...LARGE HAIL AND ISOLATED TORNADOES. ALSO TORRENTIAL RAINFALL
WILL BE OCCURRING WITH THESE STORMS...LEADING TO AREAS OF FLOODING
AND FLASH FLOODING.

IN NORTHERN MISSOURI THIS AFTERNOON...SCATTERED STORMS MAY OCCUR BUT
THE THREAT OF SEVERE WEATHER IS LOWER. STILL ISOLATED WIND DAMAGE AND
LARGER HAIL WILL BE POSSIBLE WITH ANY STORMS THROUGH EARLY EVENING.

BY THIS EVENING...AN UPPER LEVEL SYSTEM WILL BE MOVING EAST OF THE
REGION...ENDING THE THREAT OF STORMS IN EASTERN KANSAS AND WESTERN
MISSOURI EARLY ON...THEN OUT OF CENTRAL MISSOURI BY MID EVENING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THERE MAY BE A BREAK IN THUNDERSTORM ACTIVITY THROUGH MONDAY
AFTERNOON...BEFORE AN ADDITIONAL CHANCE FOR THUNDERSTORMS MONDAY
NIGHT INTO EARLY TUESDAY. AT THIS TIME THE THREAT FOR SEVERE WEATHER
REMAINS LOW.

BY WEDNESDAY NIGHT A FRONT WILL APPROACH THE AREA FROM THE
NORTHWEST. AHEAD OF THIS FRONT ON WEDNESDAY...TEMPERATURES WILL SOAR
INTO THE LOWER TO MIDDLE 90S WITH HEAT INDEX READINGS WEDNESDAY
AFTERNOON BETWEEN 100 AND 105 DEGREES.

THUNDERSTORMS MAY DEVELOP ALONG THIS FRONT WEDNESDAY NIGHT AND
THURSDAY. AT THIS TIME IT IS TOO EARLY TO DETERMINE A SEVERE WEATHER
THREAT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. ALSO REPORTS
OF FLOODING ARE REQUESTED.

In the hours before

Local storm report, Jul 11, 3:14 PM CDT, 1 hour 20 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jul 11, 3:27 PM CDT, 1 hour 7 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Jul 11, 3:35 PM CDT, 59 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jul 11, 3:47 PM CDT, 47 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Jul 11, 4:22 PM CDT, 12 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Jul 11, 4:27 PM CDT, 7 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 11, 9:10 AM CDT	Special Weather Statement	EAX	Jackson	35 min
Jul 11, 9:32 AM CDT	Areal Flood Advisory	EAX	Jackson	4 hr
Jul 11, 9:43 AM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	32 min
Jul 11, 10:51 AM CDT	Areal Flood Advisory	EAX	Jackson	4 hr
Jul 11, 11:07 AM CDT	Areal Flood Advisory	EAX	Clay, Platte	4 hr
Jul 11, 11:51 AM CDT	Areal Flood Advisory	EAX	Cass, Jackson	7 hr
Jul 11, 11:57 AM CDT	Special Weather Statement	EAX	Ray	33 min
Jul 11, 12:00 PM CDT	Areal Flood Advisory	EAX	Johnson	4 hr
Jul 11, 12:11 PM CDT	Special Weather Statement	EAX	Cass	34 min
Jul 11, 12:30 PM CDT	Special Weather Statement	EAX	Jackson	30 min
Jul 11, 12:32 PM CDT	Special Weather Statement	EAX	Pettis	28 min
Jul 11, 12:55 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass	35 min
Jul 11, 1:09 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Johnson	36 min
Jul 11, 1:12 PM CDT	Areal Flood Advisory	EAX	Johnson, Pettis	4 hr
Jul 11, 1:31 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry	29 min
Jul 11, 1:44 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass	16 min
Jul 11, 1:54 PM CDT	Flash Flood Warning	EAX	Johnson, Pettis	4 hr
Jul 11, 1:57 PM CDT	Severe Thunderstorm Warning	EAX	Henry	33 min
Jul 11, 2:02 PM CDT	River Flood Warning	EAX	Clay, Platte	6 hr
Jul 11, 2:31 PM CDT	Special Weather Statement	EAX	Benton	29 min
Jul 11, 2:44 PM CDT	Areal Flood Advisory	EAX	Jackson	3 hr
Jul 11, 2:49 PM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	38 hr
Jul 11, 2:49 PM CDT	River Flood Warning	EAX	Bates, Cass, Henry	49 hr
Jul 11, 3:04 PM CDT	Special Weather Statement	EAX	Bates	26 min
Jul 11, 3:11 PM CDT	Severe Thunderstorm Warning	EAX	Bates	34 min
Jul 11, 4:02 PM CDT	Areal Flood Advisory	EAX	Cass, Jackson, Johnson	3 hr
Jul 11, 4:22 PM CDT	Special Weather Statement	EAX	Cass	23 min
Jul 11, 4:27 PM CDT	Special Weather Statement	EAX	Bates	33 min
Jul 11, 4:56 PM CDT	Special Weather Statement	EAX	Henry	34 min
Jul 11, 6:01 PM CDT	Areal Flood Advisory	EAX	Andrew, Holt, Nodaway	3 hr
Jul 11, 6:20 PM CDT	River Flood Warning	EAX	Johnson, Pettis	16 hr
Jul 11, 6:00 AM CDT	Special Weather Statement	EAX	Atchison, Doniphan	45 min
Jul 11, 7:04 AM CDT	Special Weather Statement	EAX	Atchison	41 min
Jul 11, 8:05 AM CDT	Special Weather Statement	EAX	Wyandotte	25 min
Jul 11, 8:32 AM CDT	Areal Flood Advisory	EAX	Leavenworth, Wyandotte	4 hr
Jul 11, 8:44 AM CDT	Special Weather Statement	EAX	Wyandotte	31 min
Jul 11, 11:26 AM CDT	River Flood Warning	EAX	Leavenworth	13 hr
Jul 11, 12:04 PM CDT	Special Weather Statement	EAX	Johnson	26 min
Jul 11, 12:35 PM CDT	Special Weather Statement	EAX	Miami	40 min
Jul 11, 12:57 PM CDT	River Flood Warning	EAX	Atchison, Leavenworth	31 hr
Jul 11, 2:26 PM CDT	Special Weather Statement	EAX	Leavenworth	34 min
Jul 11, 2:44 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	31 min
Jul 11, 3:35 PM CDT	Special Weather Statement	EAX	Johnson	25 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2010 Every severe thunderstorm warning in 2010

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.