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LU9DCE > ALERT 06.09.20 16:31z 117 Lines 5691 Bytes #999 (0) @ WW
BID : 24679_LU9DCE
Read: GUEST
Subj: STORM PREDICTION CENTER 06 09
Path: HB9ON<IW2OHX<IR1UAW<I0OJJ<LU4ECL<VK4TUB<ZL2BAU<N9PMO<VE3UIL<LU9DCE
Sent: 200906/1600Z 24679@LU9DCE.TOR.BA.ARG.SOAM LinBPQ6.0.20
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ESTACION DE PACKET RADIO - BUENOS AIRES (GF05OM)
BOLETINES INFORMATIVOS PROGRAMADOS (BIP)
LINUX - HELLOCODELINUX@GMAIL.COM
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WW 487 SEVERE TSTM IA IL 060755Z - 061400Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch
Number 487 NWS Storm Prediction Center Norman OK 255 AM CDT Sun
Sep 6 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of Central and Eastern
Iowa Northern Illinois
* Effective this Sunday morning from 255 AM until 900 AM CDT.
* Primary threats include... Scattered large hail and isolated
very large hail events to 2 inches in diameter possible Scattered
damaging wind gusts to 70 mph possible
SUMMARY...Multiple rounds of storms will persist overnight across
the region, with a more organized linear-type complex potentially
evolving through the early morning hours. Severe hail and locally
damaging wind will be possible as storms steadily progress
southeastward through the early morning hours.
The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 15 miles north of Fort
Dodge IA to 60 miles east of Moline IL. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS WOU7).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 486...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
29035.
...Guyer
WW 0487 Status Updates
STATUS REPORT ON WW 487
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 S FOD TO
20 NE MCW.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1679
..MOSIER..09/06/20
ATTN...WFO...DVN...DMX...ILX...LOT...
STATUS REPORT FOR WS 487
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC011-015-073-085-095-099-103-123-131-141-155-161-175-177-195-
061140-
IL . ILLINOIS COUNTIES INCLUDED ARE
BUREAU CARROLL HENRY JO DAVIESS
KNOX LA SALLE LEE MARSHALL
MERCER OGLE PUTNAM ROCK ISLAND STARK
STEPHENSON WHITESIDE
IAC011-013-017-019-023-031-033-045-055-061-069-075-079-083-095-
097-099-103-105-107-113-115-123-127-139-157-163-169-171-183-197-
061140-
IA . IOWA COUNTIES INCLUDED ARE
BENTON BLACK HAWK BREMER BUCHANAN
BUTLER CEDAR CERRO GORDO CLINTON
DELAWARE
SPC 0730Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0223
AM CDT Sun Sep 06 2020
Valid 081200Z - 091200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY... Organized severe thunderstorms are not currently
forecast across the contiguous United States on Tuesday.
...Synopsis... The upper pattern will feature a large-scale trough
over the Rockies into the north-central U.S. that will evolve to
a closed mid-level low centered over the Four Corners by early
Wednesday. In the low levels, a seasonably anomalous cold front
will surge south through the central and southern Great Plains
during the period.
...OK northeastward to the mid MS Valley... A moist boundary
layer south of the front will destabilize during the day.
Showers/scattered thunderstorms are likely to develop by late morning
across southern/eastern KS with storms expanding in coverage into
OK and MO by early-mid afternoon. With large-scale upper forcing
for ascent relegated farther west over the High Plains/Rockies,
the cold front will primarily be the focus for convective activity.
The anafront character of the boundary across parts of the southern
Great Plains will quickly lead to elevated storms behind the
wind shift. Modest mid-level flow across the warm sector will
likely limit the potential for storm organization. Given the
aforementioned scenario, will defer the introduction of low-severe
probabilities to a later outlook update.
..Smith.. 09/06/2020
Day 4-8 Outlook
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK
0259 AM CDT Sun Sep 06 2020
Valid 091200Z - 141200Z
...DISCUSSION... Medium-range model guidance shows a mid-level
low initially over the central Rockies before slowly moving
eastward across the north-central U.S. during the latter part
of the work week into next weekend. Models vary considerably
regarding the timing/placement of the upper feature. However,
it seems increasingly probable that a frontal intrusion into
the northwest Gulf Coast will occur ahead of this disturbance.
Furthermore, the possible lack of strong surface cyclogenesis as
the disturbance moves east into the Plains/MS Valley would seemingly
limit organized severe potential in portions of the MS/OH Valleys.
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Nuestras mayores tonterias pueden ser muy sabias.
-- Leonardo Da Vinci. (1452-1519) Pintor, escultor e inventor
italiano.
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