Alert archive / Alabama / Special Weather Statements in 2020

Special Weather Statement, NWS Mobile, AL

July 1, 2020Crenshaw County, Alabama

NWS Mobile, AL issued this special weather statement at Jul 1, 2020, 11:07 AM CDT for Crenshaw County, Alabama. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 1, 2020, 11:07 AM CDT (16:07 UTC)
Expired: Jul 1, 2020, 12:00 PM CDT
In force: 53 min
Issued by: NWS Mobile, AL

County Crenshaw County, AL

The radar

The Maxwell AFB radar (KMXX), 86 km from the middle of the area, began a volume at 16:08 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 nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 4.1 hours before the alert went out and 152 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: 829 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 911 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

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

NWS Mobile, AL wrote its last area forecast discussion before this special weather statement went out at Jul 1, 6:42 AM CDT, 4 hours 25 minutes earlier.

Area forecast discussion, Jul 1, 6:42 AM CDT, 4 hours 25 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.
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In the hours before

Special weather statement, Jul 1, 11:07 AM CDT, 0 minutes before

Special Weather Statement
National Weather Service Mobile AL
1107 AM CDT Wed Jul 1 2020

ALZ058-011700-
Crenshaw AL-
1107 AM CDT Wed Jul 1 2020

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
NORTHERN CRENSHAW COUNTY UNTIL NOON CDT...

At 1107 AM CDT, the strong thunderstorm was located 4 miles southeast
of Davenport, or 11 miles east of Fort Deposit, moving southeast at
25 mph.

Wind gusts of 40 to 50 mph will be possible with this storm.

Locations impacted include...
Glenwood, Petrey and Highland Home.

LAT...LON 3166 8616 3164 8617 3193 8645 3196 8645
      3197 8640 3203 8641 3204 8640 3205 8640
      3205 8630 3197 8630 3197 8620 3196 8618
      3189 8617 3179 8620 3179 8615 3166 8615
TIME...MOT...LOC 1607Z 315DEG 23KT 3201 8637

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 12:27 PM CDT	Special Weather Statement	MOB	Choctaw	33 min
Jul 1, 1:03 PM CDT	Special Weather Statement	MOB	Choctaw	42 min
Jul 1, 1:13 PM CDT	Special Marine Warning	MOB		47 min
Jul 1, 1:14 PM CDT	Special Weather Statement	MOB	Clarke	46 min
Jul 1, 1:20 PM CDT	Severe Thunderstorm Warning	MOB	Clarke	40 min
Jul 1, 1:37 PM CDT	Special Weather Statement	MOB	Washington	53 min
Jul 1, 1:39 PM CDT	Special Marine Warning	MOB		51 min
Jul 1, 1:41 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington	49 min
Jul 1, 2:02 PM CDT	Special Weather Statement	MOB	Covington	28 min
Jul 1, 2:07 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Washington	38 min
Jul 1, 2:22 PM CDT	Special Weather Statement	MOB	Washington	53 min
Jul 1, 2:36 PM CDT	Special Weather Statement	MOB	Monroe	39 min
Jul 1, 2:47 PM CDT	Special Weather Statement	MOB	Washington	43 min
Jul 1, 2:49 PM CDT	Special Weather Statement	MOB	Wilcox	26 min
Jul 1, 3:05 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile, Washington	40 min
Jul 1, 3:10 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Monroe, Wilcox	50 min
Jul 1, 3:16 PM CDT	Special Marine Warning	MOB		59 min
Jul 1, 3:20 PM CDT	Special Weather Statement	MOB	Mobile	40 min
Jul 1, 3:32 PM CDT	Special Weather Statement	MOB	Baldwin, Mobile	43 min
Jul 1, 3:56 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Covington, Crenshaw	49 min
Jul 1, 4:01 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	44 min
Jul 1, 4:08 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington	38 min
Jul 1, 4:12 PM CDT	Special Weather Statement	MOB	Baldwin	48 min
Jul 1, 4:15 PM CDT	Special Marine Warning	MOB		90 min
Jul 1, 4:23 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	67 min
Jul 1, 4:27 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	48 min
Jul 1, 4:32 PM CDT	Special Marine Warning	MOB		88 min
Jul 1, 4:34 PM CDT	Areal Flood Advisory	MOB	Mobile	3 hr
Jul 1, 4:37 PM CDT	Severe Thunderstorm Warning	MOB	Covington	38 min
Jul 1, 5:11 PM CDT	Special Weather Statement	MOB	Covington	64 min
Jul 1, 5:13 PM CDT	Special Marine Warning	MOB		92 min
Jul 1, 5:50 PM CDT	Special Marine Warning	MOB		85 min
Jul 1, 6:38 PM CDT	Special Marine Warning	MOB		53 min
Jul 1, 1:34 PM CDT	Special Weather Statement	MOB	Okaloosa	41 min
Jul 1, 5:55 PM CDT	Special Weather Statement	MOB	Okaloosa, Santa Rosa	65 min
Jul 1, 6:10 PM CDT	Severe Thunderstorm Warning	MOB	Okaloosa, Santa Rosa	50 min
Jul 1, 6:41 PM CDT	Severe Thunderstorm Warning	MOB	Okaloosa	22 min
Jul 1, 1:01 PM CDT	Special Weather Statement	MOB	Wayne	44 min
Jul 1, 1:55 PM CDT	Special Weather Statement	MOB	George, Greene, Perry, Stone	95 min

Nearby

Special Weather Statements in Alabama, 2020 Every special weather statement in 2020

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.