Alert archive / Missouri / Special Weather Statements in 2018
Special Weather Statement, NWS Springfield, MO
NWS Springfield, MO issued this special weather statement at Apr 2, 2018, 10:59 PM CDT for Phelps County, Missouri. It was in force for 46 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
- Apr 2, 2018, 10:59 PM CDT (03:59 UTC)
- Expired
- Apr 2, 2018, 11:45 PM CDT
- In force
- 46 min
- Issued by
- NWS Springfield, MO
County Phelps County, MO
The radar
The St Louis radar (KLSX), 115 km from the middle of the area, began a volume at 04:02 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
Springfield, MO (KSGF), launched 00:00Z, 4.0 hours before the alert went out and 225 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 422 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 534 m²/s²
- 0-3 km storm-relative helicity
- 582 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted.
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</html>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 Springfield, MO wrote its last area forecast discussion before this special weather statement went out at Apr 2, 6:54 PM CDT, 4 hours 5 minutes earlier.
Area forecast discussion, Apr 2, 6:54 PM CDT, 4 hours 5 minutes before
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<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.
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<p id="message2">
Please try again in a few minutes.
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</html>Hazardous weather outlook, Apr 2, 5:30 PM CDT, 5 hours 29 minutes before
Hazardous Weather Outlook National Weather Service Springfield MO 530 PM CDT Mon Apr 2 2018 KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-032230- Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon- St. Clair-Hickory-Camden-Pulaski-Phelps-Barton-Cedar-Polk-Dallas- Laclede-Texas-Dent-Jasper-Dade-Greene-Webster-Wright-Newton- Lawrence-Christian-Douglas-Howell-Shannon-McDonald-Barry-Stone- Taney-Ozark-Oregon- 530 PM CDT Mon Apr 2 2018 This Hazardous Weather Outlook is for portions of the Missouri Ozarks and extreme southeast Kansas. .DAY ONE...Tonight. Weather hazards expected... Limited hail risk. Limited lightning risk. Limited non thunderstorm wind risk. Significant fog risk. DISCUSSION... Areas of fog can be expected for much of tonight with locally dense fog likely. Isolated thunderstorms may develop late tonight mainly across the eastern Ozarks and central Missouri as a warm front lifts north through the region. If storms can manage to develop, enough instability will be present for a risk of hail up to the size of quarters as well as frequent cloud to ground lightning. Southeasterly winds will gust to around 30 mph at times later tonight. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Strong to locally severe storms will be possible Tuesday across south central Missouri and the eastern Ozarks. The strongest storms could produce hail to the size of quarters and winds up to 60 mph. The possibility for a tornado is low and confined to far south central Missouri. A hard freeze can be expected Tuesday night and Wednesday night as an unseasonably cold airmass settles over the region. Temperatures Tuesday night will fall into the 20s. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed through tonight. && More detailed information can be accessed at: http://www.weather.gov/sgf/sitrep This product in graphical format...along with other weather... hydrological and climate information...at http://www.weather.gov/sgf Schaumann
In the hours before
Special weather statement, Apr 2, 10:59 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Springfield MO
1059 PM CDT MON APR 2 2018
MOZ071-030445-
Phelps MO-
1059 PM CDT MON APR 2 2018
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN PHELPS COUNTY UNTIL
1145 PM CDT...
At 1059 PM CDT, Doppler radar was tracking a strong thunderstorm over
Rolla, moving northeast at 55 mph.
Nickel size hail will be possible with this storm.
Locations impacted include...
Rolla... St. James...
Northwye... Rosati...
This includes Interstate 44 between mile markers 184 and 200.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the weather situation closely. Listen for possible warnings
and be prepared to take appropriate action should severe weather
threaten.
&&
LAT...LON 3784 9175 3800 9187 3805 9177 3805 9164
3813 9163 3815 9157 3815 9153 3793 9152
TIME...MOT...LOC 0359Z 239DEG 49KT 3797 9172
DSAThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 3:35 AM CDT | Freeze Warning | SGF | Barry, Barton, Benton, Camden, Cedar, Christian and 28 more | 29 hr |
| Apr 3, 12:05 PM CDT | Wind Advisory | SGF | Barton, Cedar, Dade, Jasper, Lawrence, McDonald and 2 more | 7 hr |
| Apr 3, 1:41 PM CDT | Special Weather Statement | SGF | Dent | 49 min |
| Apr 3, 2:31 PM CDT | Special Weather Statement | SGF | Dent | 14 min |
| Apr 3, 2:35 PM CDT | Severe Thunderstorm Warning | SGF | Dent | 25 min |
| Apr 3, 2:50 PM CDT | Special Weather Statement | SGF | Howell | 40 min |
| Apr 3, 2:59 PM CDT | Severe Thunderstorm Warning | SGF | Howell | 31 min |
| Apr 3, 3:09 PM CDT | Severe Thunderstorm Warning | SGF | Shannon | 15 min |
| Apr 3, 3:11 PM CDT | Severe Thunderstorm Warning | SGF | Howell | 14 min |
| Apr 3, 3:27 PM CDT | Special Weather Statement | SGF | Oregon | 48 min |
| Apr 3, 3:41 PM CDT | Severe Thunderstorm Warning | SGF | Oregon | 34 min |
Nearby
Special Weather Statements in Missouri, 2018Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.